788430040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2677}}^1$

素因数の和:2924

約数の個数: 64

約数和(自身を含む): 1831752000

約数和(自身を除く): 1043321960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 199, 296, 370, 398, 740, 796, 995, 1480, 1592, 1990, 2677, 3980, 5354, 7363, 7960, 10708, 13385, 14726, 21416, 26770, 29452, 36815, 53540, 58904, 73630, 99049, 107080, 147260, 198098, 294520, 396196, 495245, 532723, 792392, 990490, 1065446, 1980980, 2130892, 2663615, 3961960, 4261784, 5327230, 10654460, 19710751, 21308920, 39421502, 78843004, 98553755, 157686008, 197107510, 394215020, 788430040]

約数ペア:

[(1, 788430040), (2, 394215020), (4, 197107510), (5, 157686008), (8, 98553755), (10, 78843004), (20, 39421502), (37, 21308920), (40, 19710751), (74, 10654460), (148, 5327230), (185, 4261784), (199, 3961960), (296, 2663615), (370, 2130892), (398, 1980980), (740, 1065446), (796, 990490), (995, 792392), (1480, 532723), (1592, 495245), (1990, 396196), (2677, 294520), (3980, 198098), (5354, 147260), (7363, 107080), (7960, 99049), (10708, 73630), (13385, 58904), (14726, 53540), (21416, 36815), (26770, 29452)]