68506750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 140107968

約数和(自身を除く): 71601218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 125, 130, 197, 214, 250, 325, 394, 535, 650, 985, 1070, 1391, 1625, 1970, 2561, 2675, 2782, 3250, 4925, 5122, 5350, 6955, 9850, 12805, 13375, 13910, 21079, 24625, 25610, 26750, 34775, 42158, 49250, 64025, 69550, 105395, 128050, 173875, 210790, 274027, 320125, 347750, 526975, 548054, 640250, 1053950, 1370135, 2634875, 2740270, 5269750, 6850675, 13701350, 34253375, 68506750]

約数ペア:

[(1, 68506750), (2, 34253375), (5, 13701350), (10, 6850675), (13, 5269750), (25, 2740270), (26, 2634875), (50, 1370135), (65, 1053950), (107, 640250), (125, 548054), (130, 526975), (197, 347750), (214, 320125), (250, 274027), (325, 210790), (394, 173875), (535, 128050), (650, 105395), (985, 69550), (1070, 64025), (1391, 49250), (1625, 42158), (1970, 34775), (2561, 26750), (2675, 25610), (2782, 24625), (3250, 21079), (4925, 13910), (5122, 13375), (5350, 12805), (6955, 9850)]