4744220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 10922688

約数和(自身を除く): 6178468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 257, 260, 284, 355, 514, 710, 923, 1028, 1285, 1420, 1846, 2570, 3341, 3692, 4615, 5140, 6682, 9230, 13364, 16705, 18247, 18460, 33410, 36494, 66820, 72988, 91235, 182470, 237211, 364940, 474422, 948844, 1186055, 2372110, 4744220]

約数ペア:

[(1, 4744220), (2, 2372110), (4, 1186055), (5, 948844), (10, 474422), (13, 364940), (20, 237211), (26, 182470), (52, 91235), (65, 72988), (71, 66820), (130, 36494), (142, 33410), (257, 18460), (260, 18247), (284, 16705), (355, 13364), (514, 9230), (710, 6682), (923, 5140), (1028, 4615), (1285, 3692), (1420, 3341), (1846, 2570)]