2490393680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{18947}}^1$

素因数の和:19044

約数の個数: 80

約数和(自身を含む): 6090038784

約数和(自身を除く): 3599645104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1643, 2120, 2480, 3286, 4240, 6572, 8215, 13144, 16430, 18947, 26288, 32860, 37894, 65720, 75788, 94735, 131440, 151576, 189470, 303152, 378940, 587357, 757880, 1004191, 1174714, 1515760, 2008382, 2349428, 2936785, 4016764, 4698856, 5020955, 5873570, 8033528, 9397712, 10041910, 11747140, 16067056, 20083820, 23494280, 31129921, 40167640, 46988560, 62259842, 80335280, 124519684, 155649605, 249039368, 311299210, 498078736, 622598420, 1245196840, 2490393680]

約数ペア:

[(1, 2490393680), (2, 1245196840), (4, 622598420), (5, 498078736), (8, 311299210), (10, 249039368), (16, 155649605), (20, 124519684), (31, 80335280), (40, 62259842), (53, 46988560), (62, 40167640), (80, 31129921), (106, 23494280), (124, 20083820), (155, 16067056), (212, 11747140), (248, 10041910), (265, 9397712), (310, 8033528), (424, 5873570), (496, 5020955), (530, 4698856), (620, 4016764), (848, 2936785), (1060, 2349428), (1240, 2008382), (1643, 1515760), (2120, 1174714), (2480, 1004191), (3286, 757880), (4240, 587357), (6572, 378940), (8215, 303152), (13144, 189470), (16430, 151576), (18947, 131440), (26288, 94735), (32860, 75788), (37894, 65720)]