328259750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 774918144

約数和(自身を除く): 446658394

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 47, 50, 65, 70, 91, 94, 125, 130, 175, 182, 235, 250, 307, 325, 329, 350, 455, 470, 611, 614, 650, 658, 875, 910, 1175, 1222, 1535, 1625, 1645, 1750, 2149, 2275, 2350, 3055, 3070, 3250, 3290, 3991, 4277, 4298, 4550, 5875, 6110, 7675, 7982, 8225, 8554, 10745, 11375, 11750, 14429, 15275, 15350, 16450, 19955, 21385, 21490, 22750, 27937, 28858, 30550, 38375, 39910, 41125, 42770, 53725, 55874, 72145, 76375, 76750, 82250, 99775, 101003, 106925, 107450, 139685, 144290, 152750, 187577, 199550, 202006, 213850, 268625, 279370, 360725, 375154, 498875, 505015, 534625, 537250, 698425, 721450, 937885, 997750, 1010030, 1069250, 1313039, 1396850, 1803625, 1875770, 2525075, 2626078, 3492125, 3607250, 4689425, 5050150, 6565195, 6984250, 9378850, 12625375, 13130390, 23447125, 25250750, 32825975, 46894250, 65651950, 164129875, 328259750]

約数ペア:

[(1, 328259750), (2, 164129875), (5, 65651950), (7, 46894250), (10, 32825975), (13, 25250750), (14, 23447125), (25, 13130390), (26, 12625375), (35, 9378850), (47, 6984250), (50, 6565195), (65, 5050150), (70, 4689425), (91, 3607250), (94, 3492125), (125, 2626078), (130, 2525075), (175, 1875770), (182, 1803625), (235, 1396850), (250, 1313039), (307, 1069250), (325, 1010030), (329, 997750), (350, 937885), (455, 721450), (470, 698425), (611, 537250), (614, 534625), (650, 505015), (658, 498875), (875, 375154), (910, 360725), (1175, 279370), (1222, 268625), (1535, 213850), (1625, 202006), (1645, 199550), (1750, 187577), (2149, 152750), (2275, 144290), (2350, 139685), (3055, 107450), (3070, 106925), (3250, 101003), (3290, 99775), (3991, 82250), (4277, 76750), (4298, 76375), (4550, 72145), (5875, 55874), (6110, 53725), (7675, 42770), (7982, 41125), (8225, 39910), (8554, 38375), (10745, 30550), (11375, 28858), (11750, 27937), (14429, 22750), (15275, 21490), (15350, 21385), (16450, 19955)]