2097420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 6326880

約数和(自身を除く): 4229460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2689, 5378, 8067, 10756, 13445, 16134, 26890, 32268, 34957, 40335, 53780, 69914, 80670, 104871, 139828, 161340, 174785, 209742, 349570, 419484, 524355, 699140, 1048710, 2097420]

約数ペア:

[(1, 2097420), (2, 1048710), (3, 699140), (4, 524355), (5, 419484), (6, 349570), (10, 209742), (12, 174785), (13, 161340), (15, 139828), (20, 104871), (26, 80670), (30, 69914), (39, 53780), (52, 40335), (60, 34957), (65, 32268), (78, 26890), (130, 16134), (156, 13445), (195, 10756), (260, 8067), (390, 5378), (780, 2689)]