3890920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 9849600

約数和(自身を除く): 5958680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 239, 296, 370, 407, 440, 478, 740, 814, 956, 1195, 1480, 1628, 1912, 2035, 2390, 2629, 3256, 4070, 4780, 5258, 8140, 8843, 9560, 10516, 13145, 16280, 17686, 21032, 26290, 35372, 44215, 52580, 70744, 88430, 97273, 105160, 176860, 194546, 353720, 389092, 486365, 778184, 972730, 1945460, 3890920]

約数ペア:

[(1, 3890920), (2, 1945460), (4, 972730), (5, 778184), (8, 486365), (10, 389092), (11, 353720), (20, 194546), (22, 176860), (37, 105160), (40, 97273), (44, 88430), (55, 70744), (74, 52580), (88, 44215), (110, 35372), (148, 26290), (185, 21032), (220, 17686), (239, 16280), (296, 13145), (370, 10516), (407, 9560), (440, 8843), (478, 8140), (740, 5258), (814, 4780), (956, 4070), (1195, 3256), (1480, 2629), (1628, 2390), (1912, 2035)]