4392520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 11016000

約数和(自身を除く): 6623480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 149, 220, 268, 298, 335, 440, 536, 596, 670, 737, 745, 1192, 1340, 1474, 1490, 1639, 2680, 2948, 2980, 3278, 3685, 5896, 5960, 6556, 7370, 8195, 9983, 13112, 14740, 16390, 19966, 29480, 32780, 39932, 49915, 65560, 79864, 99830, 109813, 199660, 219626, 399320, 439252, 549065, 878504, 1098130, 2196260, 4392520]

約数ペア:

[(1, 4392520), (2, 2196260), (4, 1098130), (5, 878504), (8, 549065), (10, 439252), (11, 399320), (20, 219626), (22, 199660), (40, 109813), (44, 99830), (55, 79864), (67, 65560), (88, 49915), (110, 39932), (134, 32780), (149, 29480), (220, 19966), (268, 16390), (298, 14740), (335, 13112), (440, 9983), (536, 8195), (596, 7370), (670, 6556), (737, 5960), (745, 5896), (1192, 3685), (1340, 3278), (1474, 2980), (1490, 2948), (1639, 2680)]