1790650420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{20807}}^1$

素因数の和:21160

約数の個数: 48

約数和(自身を含む): 4062054528

約数和(自身を除く): 2271404108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 4303, 6620, 8606, 17212, 20807, 21515, 41614, 43030, 83228, 86060, 104035, 208070, 270491, 416140, 540982, 1081964, 1352455, 2704910, 5409820, 6887117, 13774234, 27548468, 34435585, 68871170, 89532521, 137742340, 179065042, 358130084, 447662605, 895325210, 1790650420]

約数ペア:

[(1, 1790650420), (2, 895325210), (4, 447662605), (5, 358130084), (10, 179065042), (13, 137742340), (20, 89532521), (26, 68871170), (52, 34435585), (65, 27548468), (130, 13774234), (260, 6887117), (331, 5409820), (662, 2704910), (1324, 1352455), (1655, 1081964), (3310, 540982), (4303, 416140), (6620, 270491), (8606, 208070), (17212, 104035), (20807, 86060), (21515, 83228), (41614, 43030)]