55442900

素因数分解:

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

素因数の和:285

約数の個数: 54

約数和(自身を含む): 123136650

約数和(自身を除く): 67693750

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 149, 244, 298, 305, 596, 610, 745, 1220, 1490, 1525, 2980, 3050, 3721, 3725, 6100, 7442, 7450, 9089, 14884, 14900, 18178, 18605, 36356, 37210, 45445, 74420, 90890, 93025, 181780, 186050, 227225, 372100, 454450, 554429, 908900, 1108858, 2217716, 2772145, 5544290, 11088580, 13860725, 27721450, 55442900]

約数ペア:

[(1, 55442900), (2, 27721450), (4, 13860725), (5, 11088580), (10, 5544290), (20, 2772145), (25, 2217716), (50, 1108858), (61, 908900), (100, 554429), (122, 454450), (149, 372100), (244, 227225), (298, 186050), (305, 181780), (596, 93025), (610, 90890), (745, 74420), (1220, 45445), (1490, 37210), (1525, 36356), (2980, 18605), (3050, 18178), (3721, 14900), (3725, 14884), (6100, 9089), (7442, 7450)]