64707700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 148349880

約数和(自身を除く): 83642180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 145, 212, 265, 290, 421, 530, 580, 725, 842, 1060, 1325, 1450, 1537, 1684, 2105, 2650, 2900, 3074, 4210, 5300, 6148, 7685, 8420, 10525, 12209, 15370, 21050, 22313, 24418, 30740, 38425, 42100, 44626, 48836, 61045, 76850, 89252, 111565, 122090, 153700, 223130, 244180, 305225, 446260, 557825, 610450, 647077, 1115650, 1220900, 1294154, 2231300, 2588308, 3235385, 6470770, 12941540, 16176925, 32353850, 64707700]

約数ペア:

[(1, 64707700), (2, 32353850), (4, 16176925), (5, 12941540), (10, 6470770), (20, 3235385), (25, 2588308), (29, 2231300), (50, 1294154), (53, 1220900), (58, 1115650), (100, 647077), (106, 610450), (116, 557825), (145, 446260), (212, 305225), (265, 244180), (290, 223130), (421, 153700), (530, 122090), (580, 111565), (725, 89252), (842, 76850), (1060, 61045), (1325, 48836), (1450, 44626), (1537, 42100), (1684, 38425), (2105, 30740), (2650, 24418), (2900, 22313), (3074, 21050), (4210, 15370), (5300, 12209), (6148, 10525), (7685, 8420)]