207976240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 497218176

約数和(自身を除く): 289241936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 181, 212, 265, 271, 362, 424, 530, 542, 724, 848, 905, 1060, 1084, 1355, 1448, 1810, 2120, 2168, 2710, 2896, 3620, 4240, 4336, 5420, 7240, 9593, 10840, 14363, 14480, 19186, 21680, 28726, 38372, 47965, 49051, 57452, 71815, 76744, 95930, 98102, 114904, 143630, 153488, 191860, 196204, 229808, 245255, 287260, 383720, 392408, 490510, 574520, 767440, 784816, 981020, 1149040, 1962040, 2599703, 3924080, 5199406, 10398812, 12998515, 20797624, 25997030, 41595248, 51994060, 103988120, 207976240]

約数ペア:

[(1, 207976240), (2, 103988120), (4, 51994060), (5, 41595248), (8, 25997030), (10, 20797624), (16, 12998515), (20, 10398812), (40, 5199406), (53, 3924080), (80, 2599703), (106, 1962040), (181, 1149040), (212, 981020), (265, 784816), (271, 767440), (362, 574520), (424, 490510), (530, 392408), (542, 383720), (724, 287260), (848, 245255), (905, 229808), (1060, 196204), (1084, 191860), (1355, 153488), (1448, 143630), (1810, 114904), (2120, 98102), (2168, 95930), (2710, 76744), (2896, 71815), (3620, 57452), (4240, 49051), (4336, 47965), (5420, 38372), (7240, 28726), (9593, 21680), (10840, 19186), (14363, 14480)]