9194632940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 19867072176

約数和(自身を除く): 10672439236

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 491, 557, 820, 982, 1114, 1681, 1964, 2228, 2455, 2785, 3362, 4910, 5570, 6724, 8405, 9820, 11140, 16810, 20131, 22837, 33620, 40262, 45674, 80524, 91348, 100655, 114185, 201310, 228370, 273487, 402620, 456740, 546974, 825371, 936317, 1093948, 1367435, 1650742, 1872634, 2734870, 3301484, 3745268, 4126855, 4681585, 5469740, 8253710, 9363170, 11212967, 16507420, 18726340, 22425934, 44851868, 56064835, 112129670, 224259340, 459731647, 919463294, 1838926588, 2298658235, 4597316470, 9194632940]

約数ペア:

[(1, 9194632940), (2, 4597316470), (4, 2298658235), (5, 1838926588), (10, 919463294), (20, 459731647), (41, 224259340), (82, 112129670), (164, 56064835), (205, 44851868), (410, 22425934), (491, 18726340), (557, 16507420), (820, 11212967), (982, 9363170), (1114, 8253710), (1681, 5469740), (1964, 4681585), (2228, 4126855), (2455, 3745268), (2785, 3301484), (3362, 2734870), (4910, 1872634), (5570, 1650742), (6724, 1367435), (8405, 1093948), (9820, 936317), (11140, 825371), (16810, 546974), (20131, 456740), (22837, 402620), (33620, 273487), (40262, 228370), (45674, 201310), (80524, 114185), (91348, 100655)]