251795440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2917}}^1$

素因数の和:3026

約数の個数: 80

約数和(自身を含む): 638271648

約数和(自身を除く): 386476208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 664, 830, 1040, 1079, 1328, 1660, 2158, 2917, 3320, 4316, 5395, 5834, 6640, 8632, 10790, 11668, 14585, 17264, 21580, 23336, 29170, 37921, 43160, 46672, 58340, 75842, 86320, 116680, 151684, 189605, 233360, 242111, 303368, 379210, 484222, 606736, 758420, 968444, 1210555, 1516840, 1936888, 2421110, 3033680, 3147443, 3873776, 4842220, 6294886, 9684440, 12589772, 15737215, 19368880, 25179544, 31474430, 50359088, 62948860, 125897720, 251795440]

約数ペア:

[(1, 251795440), (2, 125897720), (4, 62948860), (5, 50359088), (8, 31474430), (10, 25179544), (13, 19368880), (16, 15737215), (20, 12589772), (26, 9684440), (40, 6294886), (52, 4842220), (65, 3873776), (80, 3147443), (83, 3033680), (104, 2421110), (130, 1936888), (166, 1516840), (208, 1210555), (260, 968444), (332, 758420), (415, 606736), (520, 484222), (664, 379210), (830, 303368), (1040, 242111), (1079, 233360), (1328, 189605), (1660, 151684), (2158, 116680), (2917, 86320), (3320, 75842), (4316, 58340), (5395, 46672), (5834, 43160), (6640, 37921), (8632, 29170), (10790, 23336), (11668, 21580), (14585, 17264)]