74455240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 178536960

約数和(自身を除く): 104081720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 446, 491, 680, 892, 982, 1115, 1784, 1964, 2230, 2455, 3791, 3928, 4460, 4910, 7582, 8347, 8920, 9820, 15164, 16694, 18955, 19640, 30328, 33388, 37910, 41735, 66776, 75820, 83470, 109493, 151640, 166940, 218986, 333880, 437972, 547465, 875944, 1094930, 1861381, 2189860, 3722762, 4379720, 7445524, 9306905, 14891048, 18613810, 37227620, 74455240]

約数ペア:

[(1, 74455240), (2, 37227620), (4, 18613810), (5, 14891048), (8, 9306905), (10, 7445524), (17, 4379720), (20, 3722762), (34, 2189860), (40, 1861381), (68, 1094930), (85, 875944), (136, 547465), (170, 437972), (223, 333880), (340, 218986), (446, 166940), (491, 151640), (680, 109493), (892, 83470), (982, 75820), (1115, 66776), (1784, 41735), (1964, 37910), (2230, 33388), (2455, 30328), (3791, 19640), (3928, 18955), (4460, 16694), (4910, 15164), (7582, 9820), (8347, 8920)]