202270480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 482112000

約数和(自身を除く): 279841520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 149, 239, 284, 298, 355, 478, 568, 596, 710, 745, 956, 1136, 1192, 1195, 1420, 1490, 1912, 2384, 2390, 2840, 2980, 3824, 4780, 5680, 5960, 9560, 10579, 11920, 16969, 19120, 21158, 33938, 35611, 42316, 52895, 67876, 71222, 84632, 84845, 105790, 135752, 142444, 169264, 169690, 178055, 211580, 271504, 284888, 339380, 356110, 423160, 569776, 678760, 712220, 846320, 1357520, 1424440, 2528381, 2848880, 5056762, 10113524, 12641905, 20227048, 25283810, 40454096, 50567620, 101135240, 202270480]

約数ペア:

[(1, 202270480), (2, 101135240), (4, 50567620), (5, 40454096), (8, 25283810), (10, 20227048), (16, 12641905), (20, 10113524), (40, 5056762), (71, 2848880), (80, 2528381), (142, 1424440), (149, 1357520), (239, 846320), (284, 712220), (298, 678760), (355, 569776), (478, 423160), (568, 356110), (596, 339380), (710, 284888), (745, 271504), (956, 211580), (1136, 178055), (1192, 169690), (1195, 169264), (1420, 142444), (1490, 135752), (1912, 105790), (2384, 84845), (2390, 84632), (2840, 71222), (2980, 67876), (3824, 52895), (4780, 42316), (5680, 35611), (5960, 33938), (9560, 21158), (10579, 19120), (11920, 16969)]