68820700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 162302112

約数和(自身を除く): 93481412

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 167, 260, 317, 325, 334, 634, 650, 668, 835, 1268, 1300, 1585, 1670, 2171, 3170, 3340, 4121, 4175, 4342, 6340, 7925, 8242, 8350, 8684, 10855, 15850, 16484, 16700, 20605, 21710, 31700, 41210, 43420, 52939, 54275, 82420, 103025, 105878, 108550, 206050, 211756, 217100, 264695, 412100, 529390, 688207, 1058780, 1323475, 1376414, 2646950, 2752828, 3441035, 5293900, 6882070, 13764140, 17205175, 34410350, 68820700]

約数ペア:

[(1, 68820700), (2, 34410350), (4, 17205175), (5, 13764140), (10, 6882070), (13, 5293900), (20, 3441035), (25, 2752828), (26, 2646950), (50, 1376414), (52, 1323475), (65, 1058780), (100, 688207), (130, 529390), (167, 412100), (260, 264695), (317, 217100), (325, 211756), (334, 206050), (634, 108550), (650, 105878), (668, 103025), (835, 82420), (1268, 54275), (1300, 52939), (1585, 43420), (1670, 41210), (2171, 31700), (3170, 21710), (3340, 20605), (4121, 16700), (4175, 16484), (4342, 15850), (6340, 10855), (7925, 8684), (8242, 8350)]