210251920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5048

約数の個数: 80

約数和(自身を含む): 534394368

約数和(自身を除く): 324142448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 4987, 5270, 8432, 9974, 10540, 19948, 21080, 24935, 39896, 42160, 49870, 79792, 84779, 99740, 154597, 169558, 199480, 309194, 339116, 398960, 423895, 618388, 678232, 772985, 847790, 1236776, 1356464, 1545970, 1695580, 2473552, 2628149, 3091940, 3391160, 5256298, 6183880, 6782320, 10512596, 12367760, 13140745, 21025192, 26281490, 42050384, 52562980, 105125960, 210251920]

約数ペア:

[(1, 210251920), (2, 105125960), (4, 52562980), (5, 42050384), (8, 26281490), (10, 21025192), (16, 13140745), (17, 12367760), (20, 10512596), (31, 6782320), (34, 6183880), (40, 5256298), (62, 3391160), (68, 3091940), (80, 2628149), (85, 2473552), (124, 1695580), (136, 1545970), (155, 1356464), (170, 1236776), (248, 847790), (272, 772985), (310, 678232), (340, 618388), (496, 423895), (527, 398960), (620, 339116), (680, 309194), (1054, 199480), (1240, 169558), (1360, 154597), (2108, 99740), (2480, 84779), (2635, 79792), (4216, 49870), (4987, 42160), (5270, 39896), (8432, 24935), (9974, 21080), (10540, 19948)]