70487960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 164898720

約数和(自身を除く): 94410760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 491, 740, 776, 970, 982, 1480, 1940, 1964, 2455, 3589, 3880, 3928, 4910, 7178, 9820, 14356, 17945, 18167, 19640, 28712, 35890, 36334, 47627, 71780, 72668, 90835, 95254, 143560, 145336, 181670, 190508, 238135, 363340, 381016, 476270, 726680, 952540, 1762199, 1905080, 3524398, 7048796, 8810995, 14097592, 17621990, 35243980, 70487960]

約数ペア:

[(1, 70487960), (2, 35243980), (4, 17621990), (5, 14097592), (8, 8810995), (10, 7048796), (20, 3524398), (37, 1905080), (40, 1762199), (74, 952540), (97, 726680), (148, 476270), (185, 381016), (194, 363340), (296, 238135), (370, 190508), (388, 181670), (485, 145336), (491, 143560), (740, 95254), (776, 90835), (970, 72668), (982, 71780), (1480, 47627), (1940, 36334), (1964, 35890), (2455, 28712), (3589, 19640), (3880, 18167), (3928, 17945), (4910, 14356), (7178, 9820)]