99664540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 228069072

約数和(自身を除く): 128404532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 289, 340, 401, 430, 578, 731, 802, 860, 1156, 1445, 1462, 1604, 2005, 2890, 2924, 3655, 4010, 5780, 6817, 7310, 8020, 12427, 13634, 14620, 17243, 24854, 27268, 34085, 34486, 49708, 62135, 68170, 68972, 86215, 115889, 124270, 136340, 172430, 231778, 248540, 293131, 344860, 463556, 579445, 586262, 1158890, 1172524, 1465655, 2317780, 2931310, 4983227, 5862620, 9966454, 19932908, 24916135, 49832270, 99664540]

約数ペア:

[(1, 99664540), (2, 49832270), (4, 24916135), (5, 19932908), (10, 9966454), (17, 5862620), (20, 4983227), (34, 2931310), (43, 2317780), (68, 1465655), (85, 1172524), (86, 1158890), (170, 586262), (172, 579445), (215, 463556), (289, 344860), (340, 293131), (401, 248540), (430, 231778), (578, 172430), (731, 136340), (802, 124270), (860, 115889), (1156, 86215), (1445, 68972), (1462, 68170), (1604, 62135), (2005, 49708), (2890, 34486), (2924, 34085), (3655, 27268), (4010, 24854), (5780, 17243), (6817, 14620), (7310, 13634), (8020, 12427)]