77793020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 178143504

約数和(自身を除く): 100350484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 289, 313, 340, 430, 578, 626, 731, 860, 1156, 1252, 1445, 1462, 1565, 2890, 2924, 3130, 3655, 5321, 5780, 6260, 7310, 10642, 12427, 13459, 14620, 21284, 24854, 26605, 26918, 49708, 53210, 53836, 62135, 67295, 90457, 106420, 124270, 134590, 180914, 228803, 248540, 269180, 361828, 452285, 457606, 904570, 915212, 1144015, 1809140, 2288030, 3889651, 4576060, 7779302, 15558604, 19448255, 38896510, 77793020]

約数ペア:

[(1, 77793020), (2, 38896510), (4, 19448255), (5, 15558604), (10, 7779302), (17, 4576060), (20, 3889651), (34, 2288030), (43, 1809140), (68, 1144015), (85, 915212), (86, 904570), (170, 457606), (172, 452285), (215, 361828), (289, 269180), (313, 248540), (340, 228803), (430, 180914), (578, 134590), (626, 124270), (731, 106420), (860, 90457), (1156, 67295), (1252, 62135), (1445, 53836), (1462, 53210), (1565, 49708), (2890, 26918), (2924, 26605), (3130, 24854), (3655, 21284), (5321, 14620), (5780, 13459), (6260, 12427), (7310, 10642)]