385432880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1493}}^1$

素因数の和:1974

約数の個数: 80

約数和(自身を含む): 1027059264

約数和(自身を除く): 641626384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 461, 560, 922, 1493, 1844, 2305, 2986, 3227, 3688, 4610, 5972, 6454, 7376, 7465, 9220, 10451, 11944, 12908, 14930, 16135, 18440, 20902, 23888, 25816, 29860, 32270, 36880, 41804, 51632, 52255, 59720, 64540, 83608, 104510, 119440, 129080, 167216, 209020, 258160, 418040, 688273, 836080, 1376546, 2753092, 3441365, 4817911, 5506184, 6882730, 9635822, 11012368, 13765460, 19271644, 24089555, 27530920, 38543288, 48179110, 55061840, 77086576, 96358220, 192716440, 385432880]

約数ペア:

[(1, 385432880), (2, 192716440), (4, 96358220), (5, 77086576), (7, 55061840), (8, 48179110), (10, 38543288), (14, 27530920), (16, 24089555), (20, 19271644), (28, 13765460), (35, 11012368), (40, 9635822), (56, 6882730), (70, 5506184), (80, 4817911), (112, 3441365), (140, 2753092), (280, 1376546), (461, 836080), (560, 688273), (922, 418040), (1493, 258160), (1844, 209020), (2305, 167216), (2986, 129080), (3227, 119440), (3688, 104510), (4610, 83608), (5972, 64540), (6454, 59720), (7376, 52255), (7465, 51632), (9220, 41804), (10451, 36880), (11944, 32270), (12908, 29860), (14930, 25816), (16135, 23888), (18440, 20902)]