1489352840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{1481}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 3465745920

約数和(自身を除く): 1976393080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 811, 1240, 1481, 1622, 2962, 3244, 4055, 5924, 6488, 7405, 8110, 11848, 14810, 16220, 25141, 29620, 32440, 45911, 50282, 59240, 91822, 100564, 125705, 183644, 201128, 229555, 251410, 367288, 459110, 502820, 918220, 1005640, 1201091, 1836440, 2402182, 4804364, 6005455, 9608728, 12010910, 24021820, 37233821, 48043640, 74467642, 148935284, 186169105, 297870568, 372338210, 744676420, 1489352840]

約数ペア:

[(1, 1489352840), (2, 744676420), (4, 372338210), (5, 297870568), (8, 186169105), (10, 148935284), (20, 74467642), (31, 48043640), (40, 37233821), (62, 24021820), (124, 12010910), (155, 9608728), (248, 6005455), (310, 4804364), (620, 2402182), (811, 1836440), (1240, 1201091), (1481, 1005640), (1622, 918220), (2962, 502820), (3244, 459110), (4055, 367288), (5924, 251410), (6488, 229555), (7405, 201128), (8110, 183644), (11848, 125705), (14810, 100564), (16220, 91822), (25141, 59240), (29620, 50282), (32440, 45911)]