208840580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1353

約数の個数: 96

約数和(自身を含む): 514001376

約数和(自身を除く): 305160796

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 130, 148, 170, 185, 221, 260, 340, 370, 442, 481, 629, 740, 884, 962, 1105, 1258, 1277, 1924, 2210, 2405, 2516, 2554, 3145, 4420, 4810, 5108, 6290, 6385, 8177, 9620, 12580, 12770, 16354, 16601, 21709, 25540, 32708, 33202, 40885, 43418, 47249, 66404, 81770, 83005, 86836, 94498, 108545, 163540, 166010, 188996, 217090, 236245, 282217, 332020, 434180, 472490, 564434, 614237, 803233, 944980, 1128868, 1228474, 1411085, 1606466, 2456948, 2822170, 3071185, 3212932, 4016165, 5644340, 6142370, 8032330, 10442029, 12284740, 16064660, 20884058, 41768116, 52210145, 104420290, 208840580]

約数ペア:

[(1, 208840580), (2, 104420290), (4, 52210145), (5, 41768116), (10, 20884058), (13, 16064660), (17, 12284740), (20, 10442029), (26, 8032330), (34, 6142370), (37, 5644340), (52, 4016165), (65, 3212932), (68, 3071185), (74, 2822170), (85, 2456948), (130, 1606466), (148, 1411085), (170, 1228474), (185, 1128868), (221, 944980), (260, 803233), (340, 614237), (370, 564434), (442, 472490), (481, 434180), (629, 332020), (740, 282217), (884, 236245), (962, 217090), (1105, 188996), (1258, 166010), (1277, 163540), (1924, 108545), (2210, 94498), (2405, 86836), (2516, 83005), (2554, 81770), (3145, 66404), (4420, 47249), (4810, 43418), (5108, 40885), (6290, 33202), (6385, 32708), (8177, 25540), (9620, 21709), (12580, 16601), (12770, 16354)]