348518560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12889}}^1$

素因数の和:12930

約数の個数: 72

約数和(自身を含む): 891652860

約数和(自身を除く): 543134300

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 12889, 13520, 25778, 27040, 51556, 64445, 103112, 128890, 167557, 206224, 257780, 335114, 412448, 515560, 670228, 837785, 1031120, 1340456, 1675570, 2062240, 2178241, 2680912, 3351140, 4356482, 5361824, 6702280, 8712964, 10891205, 13404560, 17425928, 21782410, 26809120, 34851856, 43564820, 69703712, 87129640, 174259280, 348518560]

約数ペア:

[(1, 348518560), (2, 174259280), (4, 87129640), (5, 69703712), (8, 43564820), (10, 34851856), (13, 26809120), (16, 21782410), (20, 17425928), (26, 13404560), (32, 10891205), (40, 8712964), (52, 6702280), (65, 5361824), (80, 4356482), (104, 3351140), (130, 2680912), (160, 2178241), (169, 2062240), (208, 1675570), (260, 1340456), (338, 1031120), (416, 837785), (520, 670228), (676, 515560), (845, 412448), (1040, 335114), (1352, 257780), (1690, 206224), (2080, 167557), (2704, 128890), (3380, 103112), (5408, 64445), (6760, 51556), (12889, 27040), (13520, 25778)]