122872840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 287400960

約数和(自身を除く): 164528120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 503, 620, 788, 985, 1006, 1240, 1576, 1970, 2012, 2515, 3940, 4024, 5030, 6107, 7880, 10060, 12214, 15593, 20120, 24428, 30535, 31186, 48856, 61070, 62372, 77965, 99091, 122140, 124744, 155930, 198182, 244280, 311860, 396364, 495455, 623720, 792728, 990910, 1981820, 3071821, 3963640, 6143642, 12287284, 15359105, 24574568, 30718210, 61436420, 122872840]

約数ペア:

[(1, 122872840), (2, 61436420), (4, 30718210), (5, 24574568), (8, 15359105), (10, 12287284), (20, 6143642), (31, 3963640), (40, 3071821), (62, 1981820), (124, 990910), (155, 792728), (197, 623720), (248, 495455), (310, 396364), (394, 311860), (503, 244280), (620, 198182), (788, 155930), (985, 124744), (1006, 122140), (1240, 99091), (1576, 77965), (1970, 62372), (2012, 61070), (2515, 48856), (3940, 31186), (4024, 30535), (5030, 24428), (6107, 20120), (7880, 15593), (10060, 12214)]