3920004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 11400480

約数和(自身を除く): 7480476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 521, 627, 684, 836, 1042, 1254, 1563, 1881, 2084, 2508, 3126, 3762, 4689, 5731, 6252, 7524, 9378, 9899, 11462, 17193, 18756, 19798, 22924, 29697, 34386, 39596, 51579, 59394, 68772, 89091, 103158, 108889, 118788, 178182, 206316, 217778, 326667, 356364, 435556, 653334, 980001, 1306668, 1960002, 3920004]

約数ペア:

[(1, 3920004), (2, 1960002), (3, 1306668), (4, 980001), (6, 653334), (9, 435556), (11, 356364), (12, 326667), (18, 217778), (19, 206316), (22, 178182), (33, 118788), (36, 108889), (38, 103158), (44, 89091), (57, 68772), (66, 59394), (76, 51579), (99, 39596), (114, 34386), (132, 29697), (171, 22924), (198, 19798), (209, 18756), (228, 17193), (342, 11462), (396, 9899), (418, 9378), (521, 7524), (627, 6252), (684, 5731), (836, 4689), (1042, 3762), (1254, 3126), (1563, 2508), (1881, 2084)]