211970560

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2725

約数の個数: 80

約数和(自身を含む): 524823552

約数和(自身を除く): 312852992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 2671, 3968, 4960, 5342, 7936, 9920, 10684, 13355, 15872, 19840, 21368, 26710, 39680, 42736, 53420, 79360, 82801, 85472, 106840, 165602, 170944, 213680, 331204, 341888, 414005, 427360, 662408, 683776, 828010, 854720, 1324816, 1367552, 1656020, 1709440, 2649632, 3312040, 3418880, 5299264, 6624080, 6837760, 10598528, 13248160, 21197056, 26496320, 42394112, 52992640, 105985280, 211970560]

約数ペア:

[(1, 211970560), (2, 105985280), (4, 52992640), (5, 42394112), (8, 26496320), (10, 21197056), (16, 13248160), (20, 10598528), (31, 6837760), (32, 6624080), (40, 5299264), (62, 3418880), (64, 3312040), (80, 2649632), (124, 1709440), (128, 1656020), (155, 1367552), (160, 1324816), (248, 854720), (256, 828010), (310, 683776), (320, 662408), (496, 427360), (512, 414005), (620, 341888), (640, 331204), (992, 213680), (1240, 170944), (1280, 165602), (1984, 106840), (2480, 85472), (2560, 82801), (2671, 79360), (3968, 53420), (4960, 42736), (5342, 39680), (7936, 26710), (9920, 21368), (10684, 19840), (13355, 15872)]