425815780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2377}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 986974632

約数和(自身を除く): 561158852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 1060, 1378, 1690, 2377, 2756, 3380, 3445, 4754, 6890, 8957, 9508, 11885, 13780, 17914, 23770, 30901, 35828, 44785, 47540, 61802, 89570, 123604, 125981, 154505, 179140, 251962, 309010, 401713, 503924, 618020, 629905, 803426, 1259810, 1606852, 1637753, 2008565, 2519620, 3275506, 4017130, 6551012, 8034260, 8188765, 16377530, 21290789, 32755060, 42581578, 85163156, 106453945, 212907890, 425815780]

約数ペア:

[(1, 425815780), (2, 212907890), (4, 106453945), (5, 85163156), (10, 42581578), (13, 32755060), (20, 21290789), (26, 16377530), (52, 8188765), (53, 8034260), (65, 6551012), (106, 4017130), (130, 3275506), (169, 2519620), (212, 2008565), (260, 1637753), (265, 1606852), (338, 1259810), (530, 803426), (676, 629905), (689, 618020), (845, 503924), (1060, 401713), (1378, 309010), (1690, 251962), (2377, 179140), (2756, 154505), (3380, 125981), (3445, 123604), (4754, 89570), (6890, 61802), (8957, 47540), (9508, 44785), (11885, 35828), (13780, 30901), (17914, 23770)]