81130970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 157822560

約数和(自身を除く): 76691590

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 289, 335, 419, 578, 670, 838, 1139, 1445, 2095, 2278, 2890, 4190, 5695, 7123, 11390, 14246, 19363, 28073, 35615, 38726, 56146, 71230, 96815, 121091, 140365, 193630, 242182, 280730, 477241, 605455, 954482, 1210910, 2386205, 4772410, 8113097, 16226194, 40565485, 81130970]

約数ペア:

[(1, 81130970), (2, 40565485), (5, 16226194), (10, 8113097), (17, 4772410), (34, 2386205), (67, 1210910), (85, 954482), (134, 605455), (170, 477241), (289, 280730), (335, 242182), (419, 193630), (578, 140365), (670, 121091), (838, 96815), (1139, 71230), (1445, 56146), (2095, 38726), (2278, 35615), (2890, 28073), (4190, 19363), (5695, 14246), (7123, 11390)]