396760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 1108800

約数和(自身を除く): 712040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 364, 436, 455, 520, 545, 728, 763, 872, 910, 1090, 1417, 1526, 1820, 2180, 2834, 3052, 3640, 3815, 4360, 5668, 6104, 7085, 7630, 9919, 11336, 14170, 15260, 19838, 28340, 30520, 39676, 49595, 56680, 79352, 99190, 198380, 396760]

約数ペア:

[(1, 396760), (2, 198380), (4, 99190), (5, 79352), (7, 56680), (8, 49595), (10, 39676), (13, 30520), (14, 28340), (20, 19838), (26, 15260), (28, 14170), (35, 11336), (40, 9919), (52, 7630), (56, 7085), (65, 6104), (70, 5668), (91, 4360), (104, 3815), (109, 3640), (130, 3052), (140, 2834), (182, 2180), (218, 1820), (260, 1526), (280, 1417), (364, 1090), (436, 910), (455, 872), (520, 763), (545, 728)]