768702920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 1759806000

約数和(自身を除く): 991103080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 149, 202, 298, 404, 505, 596, 745, 808, 1010, 1192, 1277, 1490, 2020, 2554, 2980, 4040, 5108, 5960, 6385, 10216, 12770, 15049, 25540, 30098, 51080, 60196, 75245, 120392, 128977, 150490, 190273, 257954, 300980, 380546, 515908, 601960, 644885, 761092, 951365, 1031816, 1289770, 1522184, 1902730, 2579540, 3805460, 5159080, 7610920, 19217573, 38435146, 76870292, 96087865, 153740584, 192175730, 384351460, 768702920]

約数ペア:

[(1, 768702920), (2, 384351460), (4, 192175730), (5, 153740584), (8, 96087865), (10, 76870292), (20, 38435146), (40, 19217573), (101, 7610920), (149, 5159080), (202, 3805460), (298, 2579540), (404, 1902730), (505, 1522184), (596, 1289770), (745, 1031816), (808, 951365), (1010, 761092), (1192, 644885), (1277, 601960), (1490, 515908), (2020, 380546), (2554, 300980), (2980, 257954), (4040, 190273), (5108, 150490), (5960, 128977), (6385, 120392), (10216, 75245), (12770, 60196), (15049, 51080), (25540, 30098)]