228976420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1427}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 492283008

約数和(自身を除く): 263306588

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 565, 710, 1130, 1420, 1427, 2260, 2854, 5708, 7135, 8023, 14270, 16046, 28540, 32092, 40115, 80230, 101317, 160460, 161251, 202634, 322502, 405268, 506585, 645004, 806255, 1013170, 1612510, 2026340, 3225020, 11448821, 22897642, 45795284, 57244105, 114488210, 228976420]

約数ペア:

[(1, 228976420), (2, 114488210), (4, 57244105), (5, 45795284), (10, 22897642), (20, 11448821), (71, 3225020), (113, 2026340), (142, 1612510), (226, 1013170), (284, 806255), (355, 645004), (452, 506585), (565, 405268), (710, 322502), (1130, 202634), (1420, 161251), (1427, 160460), (2260, 101317), (2854, 80230), (5708, 40115), (7135, 32092), (8023, 28540), (14270, 16046)]