138987888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 408755088

約数和(自身を除く): 269767200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 361, 456, 494, 617, 624, 722, 741, 912, 988, 1083, 1234, 1444, 1482, 1851, 1976, 2166, 2468, 2888, 2964, 3702, 3952, 4332, 4693, 4936, 5776, 5928, 7404, 8021, 8664, 9386, 9872, 11723, 11856, 14079, 14808, 16042, 17328, 18772, 23446, 24063, 28158, 29616, 32084, 35169, 37544, 46892, 48126, 56316, 64168, 70338, 75088, 93784, 96252, 112632, 128336, 140676, 152399, 187568, 192504, 222737, 225264, 281352, 304798, 385008, 445474, 457197, 562704, 609596, 668211, 890948, 914394, 1219192, 1336422, 1781896, 1828788, 2438384, 2672844, 2895581, 3563792, 3657576, 5345688, 5791162, 7315152, 8686743, 10691376, 11582324, 17373486, 23164648, 34746972, 46329296, 69493944, 138987888]

約数ペア:

[(1, 138987888), (2, 69493944), (3, 46329296), (4, 34746972), (6, 23164648), (8, 17373486), (12, 11582324), (13, 10691376), (16, 8686743), (19, 7315152), (24, 5791162), (26, 5345688), (38, 3657576), (39, 3563792), (48, 2895581), (52, 2672844), (57, 2438384), (76, 1828788), (78, 1781896), (104, 1336422), (114, 1219192), (152, 914394), (156, 890948), (208, 668211), (228, 609596), (247, 562704), (304, 457197), (312, 445474), (361, 385008), (456, 304798), (494, 281352), (617, 225264), (624, 222737), (722, 192504), (741, 187568), (912, 152399), (988, 140676), (1083, 128336), (1234, 112632), (1444, 96252), (1482, 93784), (1851, 75088), (1976, 70338), (2166, 64168), (2468, 56316), (2888, 48126), (2964, 46892), (3702, 37544), (3952, 35169), (4332, 32084), (4693, 29616), (4936, 28158), (5776, 24063), (5928, 23446), (7404, 18772), (8021, 17328), (8664, 16042), (9386, 14808), (9872, 14079), (11723, 11856)]