178457790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11969}}^1$

素因数の和:12057

約数の個数: 64

約数和(自身を含む): 496419840

約数和(自身を除く): 317962050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 7455, 11969, 14910, 23938, 35907, 59845, 71814, 83783, 119690, 167566, 179535, 251349, 359070, 418915, 502698, 837830, 849799, 1256745, 1699598, 2513490, 2549397, 4248995, 5098794, 5948593, 8497990, 11897186, 12746985, 17845779, 25493970, 29742965, 35691558, 59485930, 89228895, 178457790]

約数ペア:

[(1, 178457790), (2, 89228895), (3, 59485930), (5, 35691558), (6, 29742965), (7, 25493970), (10, 17845779), (14, 12746985), (15, 11897186), (21, 8497990), (30, 5948593), (35, 5098794), (42, 4248995), (70, 2549397), (71, 2513490), (105, 1699598), (142, 1256745), (210, 849799), (213, 837830), (355, 502698), (426, 418915), (497, 359070), (710, 251349), (994, 179535), (1065, 167566), (1491, 119690), (2130, 83783), (2485, 71814), (2982, 59845), (4970, 35907), (7455, 23938), (11969, 14910)]