7531420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 17287200

約数和(自身を除く): 9755780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 349, 415, 698, 830, 1079, 1396, 1660, 1745, 2158, 3490, 4316, 4537, 5395, 6980, 9074, 10790, 18148, 21580, 22685, 28967, 45370, 57934, 90740, 115868, 144835, 289670, 376571, 579340, 753142, 1506284, 1882855, 3765710, 7531420]

約数ペア:

[(1, 7531420), (2, 3765710), (4, 1882855), (5, 1506284), (10, 753142), (13, 579340), (20, 376571), (26, 289670), (52, 144835), (65, 115868), (83, 90740), (130, 57934), (166, 45370), (260, 28967), (332, 22685), (349, 21580), (415, 18148), (698, 10790), (830, 9074), (1079, 6980), (1396, 5395), (1660, 4537), (1745, 4316), (2158, 3490)]