878494760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 2334044160

約数和(自身を除く): 1455549400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 383, 401, 440, 520, 572, 715, 766, 802, 1144, 1430, 1532, 1604, 1915, 2005, 2860, 3064, 3208, 3830, 4010, 4213, 4411, 4979, 5213, 5720, 7660, 8020, 8426, 8822, 9958, 10426, 15320, 16040, 16852, 17644, 19916, 20852, 21065, 22055, 24895, 26065, 33704, 35288, 39832, 41704, 42130, 44110, 49790, 52130, 54769, 57343, 84260, 88220, 99580, 104260, 109538, 114686, 153583, 168520, 176440, 199160, 208520, 219076, 229372, 273845, 286715, 307166, 438152, 458744, 547690, 573430, 614332, 767915, 1095380, 1146860, 1228664, 1535830, 1689413, 1996579, 2190760, 2293720, 3071660, 3378826, 3993158, 6143320, 6757652, 7986316, 8447065, 9982895, 13515304, 15972632, 16894130, 19965790, 21962369, 33788260, 39931580, 43924738, 67576520, 79863160, 87849476, 109811845, 175698952, 219623690, 439247380, 878494760]

約数ペア:

[(1, 878494760), (2, 439247380), (4, 219623690), (5, 175698952), (8, 109811845), (10, 87849476), (11, 79863160), (13, 67576520), (20, 43924738), (22, 39931580), (26, 33788260), (40, 21962369), (44, 19965790), (52, 16894130), (55, 15972632), (65, 13515304), (88, 9982895), (104, 8447065), (110, 7986316), (130, 6757652), (143, 6143320), (220, 3993158), (260, 3378826), (286, 3071660), (383, 2293720), (401, 2190760), (440, 1996579), (520, 1689413), (572, 1535830), (715, 1228664), (766, 1146860), (802, 1095380), (1144, 767915), (1430, 614332), (1532, 573430), (1604, 547690), (1915, 458744), (2005, 438152), (2860, 307166), (3064, 286715), (3208, 273845), (3830, 229372), (4010, 219076), (4213, 208520), (4411, 199160), (4979, 176440), (5213, 168520), (5720, 153583), (7660, 114686), (8020, 109538), (8426, 104260), (8822, 99580), (9958, 88220), (10426, 84260), (15320, 57343), (16040, 54769), (16852, 52130), (17644, 49790), (19916, 44110), (20852, 42130), (21065, 41704), (22055, 39832), (24895, 35288), (26065, 33704)]