1978803792

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:690

約数の個数: 240

約数和(自身を含む): 6704114560

約数和(自身を除く): 4725310768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 277, 304, 336, 342, 373, 399, 456, 504, 532, 554, 684, 746, 798, 831, 912, 1008, 1064, 1108, 1119, 1197, 1368, 1492, 1596, 1662, 1939, 2128, 2216, 2238, 2394, 2493, 2611, 2736, 2984, 3192, 3324, 3357, 3878, 4432, 4476, 4788, 4986, 5222, 5263, 5817, 5968, 6384, 6648, 6714, 7087, 7756, 7833, 8952, 9576, 9972, 10444, 10526, 11634, 13296, 13428, 14174, 15512, 15666, 15789, 17451, 17904, 19152, 19944, 20888, 21052, 21261, 23268, 23499, 26856, 28348, 31024, 31332, 31578, 34902, 36841, 39888, 41776, 42104, 42522, 46536, 46998, 47367, 49609, 53712, 56696, 62664, 63156, 63783, 69804, 73682, 84208, 85044, 93072, 93996, 94734, 99218, 103321, 110523, 113392, 125328, 126312, 127566, 139608, 147364, 148827, 170088, 187992, 189468, 198436, 206642, 221046, 252624, 255132, 279216, 294728, 297654, 309963, 331569, 340176, 375984, 378936, 396872, 413284, 442092, 446481, 510264, 589456, 595308, 619926, 663138, 723247, 757872, 793744, 826568, 884184, 892962, 929889, 1020528, 1190616, 1239852, 1326276, 1446494, 1653136, 1768368, 1785924, 1859778, 1963099, 2169741, 2381232, 2479704, 2652552, 2892988, 3571848, 3719556, 3926198, 4339482, 4959408, 5305104, 5785976, 5889297, 6509223, 7143696, 7439112, 7852396, 8678964, 11571952, 11778594, 13018446, 13741693, 14878224, 15704792, 17357928, 17667891, 23557188, 26036892, 27483386, 31409584, 34715856, 35335782, 41225079, 47114376, 52073784, 54966772, 70671564, 82450158, 94228752, 104147568, 109933544, 123675237, 141343128, 164900316, 219867088, 247350474, 282686256, 329800632, 494700948, 659601264, 989401896, 1978803792]

約数ペア:

[(1, 1978803792), (2, 989401896), (3, 659601264), (4, 494700948), (6, 329800632), (7, 282686256), (8, 247350474), (9, 219867088), (12, 164900316), (14, 141343128), (16, 123675237), (18, 109933544), (19, 104147568), (21, 94228752), (24, 82450158), (28, 70671564), (36, 54966772), (38, 52073784), (42, 47114376), (48, 41225079), (56, 35335782), (57, 34715856), (63, 31409584), (72, 27483386), (76, 26036892), (84, 23557188), (112, 17667891), (114, 17357928), (126, 15704792), (133, 14878224), (144, 13741693), (152, 13018446), (168, 11778594), (171, 11571952), (228, 8678964), (252, 7852396), (266, 7439112), (277, 7143696), (304, 6509223), (336, 5889297), (342, 5785976), (373, 5305104), (399, 4959408), (456, 4339482), (504, 3926198), (532, 3719556), (554, 3571848), (684, 2892988), (746, 2652552), (798, 2479704), (831, 2381232), (912, 2169741), (1008, 1963099), (1064, 1859778), (1108, 1785924), (1119, 1768368), (1197, 1653136), (1368, 1446494), (1492, 1326276), (1596, 1239852), (1662, 1190616), (1939, 1020528), (2128, 929889), (2216, 892962), (2238, 884184), (2394, 826568), (2493, 793744), (2611, 757872), (2736, 723247), (2984, 663138), (3192, 619926), (3324, 595308), (3357, 589456), (3878, 510264), (4432, 446481), (4476, 442092), (4788, 413284), (4986, 396872), (5222, 378936), (5263, 375984), (5817, 340176), (5968, 331569), (6384, 309963), (6648, 297654), (6714, 294728), (7087, 279216), (7756, 255132), (7833, 252624), (8952, 221046), (9576, 206642), (9972, 198436), (10444, 189468), (10526, 187992), (11634, 170088), (13296, 148827), (13428, 147364), (14174, 139608), (15512, 127566), (15666, 126312), (15789, 125328), (17451, 113392), (17904, 110523), (19152, 103321), (19944, 99218), (20888, 94734), (21052, 93996), (21261, 93072), (23268, 85044), (23499, 84208), (26856, 73682), (28348, 69804), (31024, 63783), (31332, 63156), (31578, 62664), (34902, 56696), (36841, 53712), (39888, 49609), (41776, 47367), (42104, 46998), (42522, 46536)]