4220125

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 6722352

約数和(自身を除く): 2502227

約数列:

[1, 5, 7, 13, 25, 35, 49, 53, 65, 91, 125, 175, 245, 265, 325, 371, 455, 637, 689, 875, 1225, 1325, 1625, 1855, 2275, 2597, 3185, 3445, 4823, 6125, 6625, 9275, 11375, 12985, 15925, 17225, 24115, 33761, 46375, 64925, 79625, 86125, 120575, 168805, 324625, 602875, 844025, 4220125]

約数ペア:

[(1, 4220125), (5, 844025), (7, 602875), (13, 324625), (25, 168805), (35, 120575), (49, 86125), (53, 79625), (65, 64925), (91, 46375), (125, 33761), (175, 24115), (245, 17225), (265, 15925), (325, 12985), (371, 11375), (455, 9275), (637, 6625), (689, 6125), (875, 4823), (1225, 3445), (1325, 3185), (1625, 2597), (1855, 2275)]