253470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 746496

約数和(自身を除く): 493026

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 71, 85, 102, 105, 119, 142, 170, 210, 213, 238, 255, 355, 357, 426, 497, 510, 595, 710, 714, 994, 1065, 1190, 1207, 1491, 1785, 2130, 2414, 2485, 2982, 3570, 3621, 4970, 6035, 7242, 7455, 8449, 12070, 14910, 16898, 18105, 25347, 36210, 42245, 50694, 84490, 126735, 253470]

約数ペア:

[(1, 253470), (2, 126735), (3, 84490), (5, 50694), (6, 42245), (7, 36210), (10, 25347), (14, 18105), (15, 16898), (17, 14910), (21, 12070), (30, 8449), (34, 7455), (35, 7242), (42, 6035), (51, 4970), (70, 3621), (71, 3570), (85, 2982), (102, 2485), (105, 2414), (119, 2130), (142, 1785), (170, 1491), (210, 1207), (213, 1190), (238, 1065), (255, 994), (355, 714), (357, 710), (426, 595), (497, 510)]