1247996940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{310447}}^1$

素因数の和:310526

約数の個数: 48

約数和(自身を含む): 3546557952

約数和(自身を除く): 2298561012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 310447, 620894, 931341, 1241788, 1552235, 1862682, 3104470, 3725364, 4656705, 6208940, 9313410, 18626820, 20799949, 41599898, 62399847, 83199796, 103999745, 124799694, 207999490, 249599388, 311999235, 415998980, 623998470, 1247996940]

約数ペア:

[(1, 1247996940), (2, 623998470), (3, 415998980), (4, 311999235), (5, 249599388), (6, 207999490), (10, 124799694), (12, 103999745), (15, 83199796), (20, 62399847), (30, 41599898), (60, 20799949), (67, 18626820), (134, 9313410), (201, 6208940), (268, 4656705), (335, 3725364), (402, 3104470), (670, 1862682), (804, 1552235), (1005, 1241788), (1340, 931341), (2010, 620894), (4020, 310447)]