177555820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 429710400

約数和(自身を除く): 252154580

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 139, 170, 221, 260, 278, 289, 340, 442, 556, 578, 695, 884, 1105, 1156, 1390, 1445, 1807, 2210, 2363, 2780, 2890, 3614, 3757, 4420, 4726, 4913, 5780, 7228, 7514, 9035, 9452, 9826, 11815, 15028, 18070, 18785, 19652, 23630, 24565, 30719, 36140, 37570, 40171, 47260, 49130, 61438, 63869, 75140, 80342, 98260, 122876, 127738, 153595, 160684, 200855, 255476, 307190, 319345, 401710, 522223, 614380, 638690, 682907, 803420, 1044446, 1277380, 1365814, 2088892, 2611115, 2731628, 3414535, 5222230, 6829070, 8877791, 10444460, 13658140, 17755582, 35511164, 44388955, 88777910, 177555820]

約数ペア:

[(1, 177555820), (2, 88777910), (4, 44388955), (5, 35511164), (10, 17755582), (13, 13658140), (17, 10444460), (20, 8877791), (26, 6829070), (34, 5222230), (52, 3414535), (65, 2731628), (68, 2611115), (85, 2088892), (130, 1365814), (139, 1277380), (170, 1044446), (221, 803420), (260, 682907), (278, 638690), (289, 614380), (340, 522223), (442, 401710), (556, 319345), (578, 307190), (695, 255476), (884, 200855), (1105, 160684), (1156, 153595), (1390, 127738), (1445, 122876), (1807, 98260), (2210, 80342), (2363, 75140), (2780, 63869), (2890, 61438), (3614, 49130), (3757, 47260), (4420, 40171), (4726, 37570), (4913, 36140), (5780, 30719), (7228, 24565), (7514, 23630), (9035, 19652), (9452, 18785), (9826, 18070), (11815, 15028)]