87132220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4177}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 210571200

約数和(自身を除く): 123438980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 4177, 5215, 8354, 10430, 16708, 20860, 20885, 29239, 41770, 58478, 83540, 116956, 146195, 292390, 584780, 622373, 1244746, 2489492, 3111865, 4356611, 6223730, 8713222, 12447460, 17426444, 21783055, 43566110, 87132220]

約数ペア:

[(1, 87132220), (2, 43566110), (4, 21783055), (5, 17426444), (7, 12447460), (10, 8713222), (14, 6223730), (20, 4356611), (28, 3111865), (35, 2489492), (70, 1244746), (140, 622373), (149, 584780), (298, 292390), (596, 146195), (745, 116956), (1043, 83540), (1490, 58478), (2086, 41770), (2980, 29239), (4172, 20885), (4177, 20860), (5215, 16708), (8354, 10430)]