47808140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 103118400

約数和(自身を除く): 55310260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 263, 298, 305, 526, 596, 610, 745, 1052, 1220, 1315, 1490, 2630, 2980, 5260, 9089, 16043, 18178, 32086, 36356, 39187, 45445, 64172, 78374, 80215, 90890, 156748, 160430, 181780, 195935, 320860, 391870, 783740, 2390407, 4780814, 9561628, 11952035, 23904070, 47808140]

約数ペア:

[(1, 47808140), (2, 23904070), (4, 11952035), (5, 9561628), (10, 4780814), (20, 2390407), (61, 783740), (122, 391870), (149, 320860), (244, 195935), (263, 181780), (298, 160430), (305, 156748), (526, 90890), (596, 80215), (610, 78374), (745, 64172), (1052, 45445), (1220, 39187), (1315, 36356), (1490, 32086), (2630, 18178), (2980, 16043), (5260, 9089)]