9915950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 20422800

約数和(自身を除く): 10506850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 149, 242, 275, 298, 550, 605, 745, 1210, 1331, 1490, 1639, 2662, 3025, 3278, 3725, 6050, 6655, 7450, 8195, 13310, 16390, 18029, 33275, 36058, 40975, 66550, 81950, 90145, 180290, 198319, 396638, 450725, 901450, 991595, 1983190, 4957975, 9915950]

約数ペア:

[(1, 9915950), (2, 4957975), (5, 1983190), (10, 991595), (11, 901450), (22, 450725), (25, 396638), (50, 198319), (55, 180290), (110, 90145), (121, 81950), (149, 66550), (242, 40975), (275, 36058), (298, 33275), (550, 18029), (605, 16390), (745, 13310), (1210, 8195), (1331, 7450), (1490, 6655), (1639, 6050), (2662, 3725), (3025, 3278)]