77756140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7213}}^1$

素因数の和:7247

約数の個数: 72

約数和(自身を含む): 207243792

約数和(自身を除く): 129487652

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 7213, 10780, 14426, 28852, 36065, 50491, 72130, 79343, 100982, 144260, 158686, 201964, 252455, 317372, 353437, 396715, 504910, 555401, 706874, 793430, 1009820, 1110802, 1413748, 1586860, 1767185, 2221604, 2777005, 3534370, 3887807, 5554010, 7068740, 7775614, 11108020, 15551228, 19439035, 38878070, 77756140]

約数ペア:

[(1, 77756140), (2, 38878070), (4, 19439035), (5, 15551228), (7, 11108020), (10, 7775614), (11, 7068740), (14, 5554010), (20, 3887807), (22, 3534370), (28, 2777005), (35, 2221604), (44, 1767185), (49, 1586860), (55, 1413748), (70, 1110802), (77, 1009820), (98, 793430), (110, 706874), (140, 555401), (154, 504910), (196, 396715), (220, 353437), (245, 317372), (308, 252455), (385, 201964), (490, 158686), (539, 144260), (770, 100982), (980, 79343), (1078, 72130), (1540, 50491), (2156, 36065), (2695, 28852), (5390, 14426), (7213, 10780)]