253447460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:817

約数の個数: 96

約数和(自身を含む): 645550080

約数和(自身を除く): 392102620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 151, 190, 266, 302, 380, 532, 604, 631, 665, 755, 1057, 1262, 1330, 1510, 2114, 2524, 2660, 2869, 3020, 3155, 4228, 4417, 5285, 5738, 6310, 8834, 10570, 11476, 11989, 12620, 14345, 17668, 20083, 21140, 22085, 23978, 28690, 40166, 44170, 47956, 57380, 59945, 80332, 83923, 88340, 95281, 100415, 119890, 167846, 190562, 200830, 239780, 335692, 381124, 401660, 419615, 476405, 666967, 839230, 952810, 1333934, 1678460, 1810339, 1905620, 2667868, 3334835, 3620678, 6669670, 7241356, 9051695, 12672373, 13339340, 18103390, 25344746, 36206780, 50689492, 63361865, 126723730, 253447460]

約数ペア:

[(1, 253447460), (2, 126723730), (4, 63361865), (5, 50689492), (7, 36206780), (10, 25344746), (14, 18103390), (19, 13339340), (20, 12672373), (28, 9051695), (35, 7241356), (38, 6669670), (70, 3620678), (76, 3334835), (95, 2667868), (133, 1905620), (140, 1810339), (151, 1678460), (190, 1333934), (266, 952810), (302, 839230), (380, 666967), (532, 476405), (604, 419615), (631, 401660), (665, 381124), (755, 335692), (1057, 239780), (1262, 200830), (1330, 190562), (1510, 167846), (2114, 119890), (2524, 100415), (2660, 95281), (2869, 88340), (3020, 83923), (3155, 80332), (4228, 59945), (4417, 57380), (5285, 47956), (5738, 44170), (6310, 40166), (8834, 28690), (10570, 23978), (11476, 22085), (11989, 21140), (12620, 20083), (14345, 17668)]