724136620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{1993}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 1565752608

約数和(自身を除く): 841615988

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 491, 740, 982, 1964, 1993, 2455, 3986, 4910, 7972, 9820, 9965, 18167, 19930, 36334, 39860, 72668, 73741, 90835, 147482, 181670, 294964, 363340, 368705, 737410, 978563, 1474820, 1957126, 3914252, 4892815, 9785630, 19571260, 36206831, 72413662, 144827324, 181034155, 362068310, 724136620]

約数ペア:

[(1, 724136620), (2, 362068310), (4, 181034155), (5, 144827324), (10, 72413662), (20, 36206831), (37, 19571260), (74, 9785630), (148, 4892815), (185, 3914252), (370, 1957126), (491, 1474820), (740, 978563), (982, 737410), (1964, 368705), (1993, 363340), (2455, 294964), (3986, 181670), (4910, 147482), (7972, 90835), (9820, 73741), (9965, 72668), (18167, 39860), (19930, 36334)]