321559900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2299

約数の個数: 72

約数和(自身を含む): 735952896

約数和(自身を除く): 414392996

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 94, 100, 124, 155, 188, 235, 310, 470, 620, 775, 940, 1175, 1457, 1550, 2207, 2350, 2914, 3100, 4414, 4700, 5828, 7285, 8828, 11035, 14570, 22070, 29140, 36425, 44140, 55175, 68417, 72850, 103729, 110350, 136834, 145700, 207458, 220700, 273668, 342085, 414916, 518645, 684170, 1037290, 1368340, 1710425, 2074580, 2593225, 3215599, 3420850, 5186450, 6431198, 6841700, 10372900, 12862396, 16077995, 32155990, 64311980, 80389975, 160779950, 321559900]

約数ペア:

[(1, 321559900), (2, 160779950), (4, 80389975), (5, 64311980), (10, 32155990), (20, 16077995), (25, 12862396), (31, 10372900), (47, 6841700), (50, 6431198), (62, 5186450), (94, 3420850), (100, 3215599), (124, 2593225), (155, 2074580), (188, 1710425), (235, 1368340), (310, 1037290), (470, 684170), (620, 518645), (775, 414916), (940, 342085), (1175, 273668), (1457, 220700), (1550, 207458), (2207, 145700), (2350, 136834), (2914, 110350), (3100, 103729), (4414, 72850), (4700, 68417), (5828, 55175), (7285, 44140), (8828, 36425), (11035, 29140), (14570, 22070)]