314145080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 724464000

約数和(自身を除く): 410318920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 316, 356, 395, 445, 632, 712, 790, 890, 1117, 1580, 1780, 2234, 3160, 3560, 4468, 5585, 7031, 8936, 11170, 14062, 22340, 28124, 35155, 44680, 56248, 70310, 88243, 99413, 140620, 176486, 198826, 281240, 352972, 397652, 441215, 497065, 705944, 795304, 882430, 994130, 1764860, 1988260, 3529720, 3976520, 7853627, 15707254, 31414508, 39268135, 62829016, 78536270, 157072540, 314145080]

約数ペア:

[(1, 314145080), (2, 157072540), (4, 78536270), (5, 62829016), (8, 39268135), (10, 31414508), (20, 15707254), (40, 7853627), (79, 3976520), (89, 3529720), (158, 1988260), (178, 1764860), (316, 994130), (356, 882430), (395, 795304), (445, 705944), (632, 497065), (712, 441215), (790, 397652), (890, 352972), (1117, 281240), (1580, 198826), (1780, 176486), (2234, 140620), (3160, 99413), (3560, 88243), (4468, 70310), (5585, 56248), (7031, 44680), (8936, 35155), (11170, 28124), (14062, 22340)]