9894475660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{32299}}^1$

素因数の和:32395

約数の個数: 72

約数和(自身を含む): 22489714800

約数和(自身を除く): 12595239140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 289, 340, 530, 578, 901, 1060, 1156, 1445, 1802, 2890, 3604, 4505, 5780, 9010, 15317, 18020, 30634, 32299, 61268, 64598, 76585, 129196, 153170, 161495, 306340, 322990, 549083, 645980, 1098166, 1711847, 2196332, 2745415, 3423694, 5490830, 6847388, 8559235, 9334411, 10981660, 17118470, 18668822, 29101399, 34236940, 37337644, 46672055, 58202798, 93344110, 116405596, 145506995, 186688220, 291013990, 494723783, 582027980, 989447566, 1978895132, 2473618915, 4947237830, 9894475660]

約数ペア:

[(1, 9894475660), (2, 4947237830), (4, 2473618915), (5, 1978895132), (10, 989447566), (17, 582027980), (20, 494723783), (34, 291013990), (53, 186688220), (68, 145506995), (85, 116405596), (106, 93344110), (170, 58202798), (212, 46672055), (265, 37337644), (289, 34236940), (340, 29101399), (530, 18668822), (578, 17118470), (901, 10981660), (1060, 9334411), (1156, 8559235), (1445, 6847388), (1802, 5490830), (2890, 3423694), (3604, 2745415), (4505, 2196332), (5780, 1711847), (9010, 1098166), (15317, 645980), (18020, 549083), (30634, 322990), (32299, 306340), (61268, 161495), (64598, 153170), (76585, 129196)]