202230250

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 391716000

約数和(自身を除く): 189485750

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 125, 149, 178, 250, 298, 305, 445, 610, 745, 890, 1490, 1525, 2225, 3050, 3725, 4450, 5429, 7450, 7625, 9089, 10858, 11125, 13261, 15250, 18178, 18625, 22250, 26522, 27145, 37250, 45445, 54290, 66305, 90890, 132610, 135725, 227225, 271450, 331525, 454450, 663050, 678625, 808921, 1136125, 1357250, 1617842, 1657625, 2272250, 3315250, 4044605, 8089210, 20223025, 40446050, 101115125, 202230250]

約数ペア:

[(1, 202230250), (2, 101115125), (5, 40446050), (10, 20223025), (25, 8089210), (50, 4044605), (61, 3315250), (89, 2272250), (122, 1657625), (125, 1617842), (149, 1357250), (178, 1136125), (250, 808921), (298, 678625), (305, 663050), (445, 454450), (610, 331525), (745, 271450), (890, 227225), (1490, 135725), (1525, 132610), (2225, 90890), (3050, 66305), (3725, 54290), (4450, 45445), (5429, 37250), (7450, 27145), (7625, 26522), (9089, 22250), (10858, 18625), (11125, 18178), (13261, 15250)]