2021301990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{724481}}^1$

素因数の和:724525

約数の個数: 48

約数和(自身を含む): 5424921216

約数和(自身を除く): 3403619226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 724481, 1448962, 2173443, 3622405, 4346886, 6520329, 7244810, 10867215, 13040658, 21734430, 22458911, 32601645, 44917822, 65203290, 67376733, 112294555, 134753466, 202130199, 224589110, 336883665, 404260398, 673767330, 1010650995, 2021301990]

約数ペア:

[(1, 2021301990), (2, 1010650995), (3, 673767330), (5, 404260398), (6, 336883665), (9, 224589110), (10, 202130199), (15, 134753466), (18, 112294555), (30, 67376733), (31, 65203290), (45, 44917822), (62, 32601645), (90, 22458911), (93, 21734430), (155, 13040658), (186, 10867215), (279, 7244810), (310, 6520329), (465, 4346886), (558, 3622405), (930, 2173443), (1395, 1448962), (2790, 724481)]