289185220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 616896000

約数和(自身を除く): 327710780

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 239, 404, 478, 505, 599, 956, 1010, 1195, 1198, 2020, 2390, 2396, 2995, 4780, 5990, 11980, 24139, 48278, 60499, 96556, 120695, 120998, 143161, 241390, 241996, 286322, 302495, 482780, 572644, 604990, 715805, 1209980, 1431610, 2863220, 14459261, 28918522, 57837044, 72296305, 144592610, 289185220]

約数ペア:

[(1, 289185220), (2, 144592610), (4, 72296305), (5, 57837044), (10, 28918522), (20, 14459261), (101, 2863220), (202, 1431610), (239, 1209980), (404, 715805), (478, 604990), (505, 572644), (599, 482780), (956, 302495), (1010, 286322), (1195, 241996), (1198, 241390), (2020, 143161), (2390, 120998), (2396, 120695), (2995, 96556), (4780, 60499), (5990, 48278), (11980, 24139)]