398379540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2137}}^1$

素因数の和:2401

約数の個数: 96

約数和(自身を含む): 1206858240

約数和(自身を除く): 808478700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 239, 260, 390, 478, 717, 780, 956, 1195, 1434, 2137, 2390, 2868, 3107, 3585, 4274, 4780, 6214, 6411, 7170, 8548, 9321, 10685, 12428, 12822, 14340, 15535, 18642, 21370, 25644, 27781, 31070, 32055, 37284, 42740, 46605, 55562, 62140, 64110, 83343, 93210, 111124, 128220, 138905, 166686, 186420, 277810, 333372, 416715, 510743, 555620, 833430, 1021486, 1532229, 1666860, 2042972, 2553715, 3064458, 5107430, 6128916, 6639659, 7661145, 10214860, 13279318, 15322290, 19918977, 26558636, 30644580, 33198295, 39837954, 66396590, 79675908, 99594885, 132793180, 199189770, 398379540]

約数ペア:

[(1, 398379540), (2, 199189770), (3, 132793180), (4, 99594885), (5, 79675908), (6, 66396590), (10, 39837954), (12, 33198295), (13, 30644580), (15, 26558636), (20, 19918977), (26, 15322290), (30, 13279318), (39, 10214860), (52, 7661145), (60, 6639659), (65, 6128916), (78, 5107430), (130, 3064458), (156, 2553715), (195, 2042972), (239, 1666860), (260, 1532229), (390, 1021486), (478, 833430), (717, 555620), (780, 510743), (956, 416715), (1195, 333372), (1434, 277810), (2137, 186420), (2390, 166686), (2868, 138905), (3107, 128220), (3585, 111124), (4274, 93210), (4780, 83343), (6214, 64110), (6411, 62140), (7170, 55562), (8548, 46605), (9321, 42740), (10685, 37284), (12428, 32055), (12822, 31070), (14340, 27781), (15535, 25644), (18642, 21370)]