209844640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 522547200

約数和(自身を除く): 312702560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 127, 160, 184, 230, 254, 368, 449, 460, 508, 635, 736, 898, 920, 1016, 1270, 1796, 1840, 2032, 2245, 2540, 2921, 3592, 3680, 4064, 4490, 5080, 5842, 7184, 8980, 10160, 10327, 11684, 14368, 14605, 17960, 20320, 20654, 23368, 29210, 35920, 41308, 46736, 51635, 57023, 58420, 71840, 82616, 93472, 103270, 114046, 116840, 165232, 206540, 228092, 233680, 285115, 330464, 413080, 456184, 467360, 570230, 826160, 912368, 1140460, 1311529, 1652320, 1824736, 2280920, 2623058, 4561840, 5246116, 6557645, 9123680, 10492232, 13115290, 20984464, 26230580, 41968928, 52461160, 104922320, 209844640]

約数ペア:

[(1, 209844640), (2, 104922320), (4, 52461160), (5, 41968928), (8, 26230580), (10, 20984464), (16, 13115290), (20, 10492232), (23, 9123680), (32, 6557645), (40, 5246116), (46, 4561840), (80, 2623058), (92, 2280920), (115, 1824736), (127, 1652320), (160, 1311529), (184, 1140460), (230, 912368), (254, 826160), (368, 570230), (449, 467360), (460, 456184), (508, 413080), (635, 330464), (736, 285115), (898, 233680), (920, 228092), (1016, 206540), (1270, 165232), (1796, 116840), (1840, 114046), (2032, 103270), (2245, 93472), (2540, 82616), (2921, 71840), (3592, 58420), (3680, 57023), (4064, 51635), (4490, 46736), (5080, 41308), (5842, 35920), (7184, 29210), (8980, 23368), (10160, 20654), (10327, 20320), (11684, 17960), (14368, 14605)]