316099340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 682413984

約数和(自身を除く): 366314644

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 397, 410, 794, 820, 971, 1588, 1942, 1985, 3884, 3970, 4855, 7940, 9710, 16277, 19420, 32554, 39811, 65108, 79622, 81385, 159244, 162770, 199055, 325540, 385487, 398110, 770974, 796220, 1541948, 1927435, 3854870, 7709740, 15804967, 31609934, 63219868, 79024835, 158049670, 316099340]

約数ペア:

[(1, 316099340), (2, 158049670), (4, 79024835), (5, 63219868), (10, 31609934), (20, 15804967), (41, 7709740), (82, 3854870), (164, 1927435), (205, 1541948), (397, 796220), (410, 770974), (794, 398110), (820, 385487), (971, 325540), (1588, 199055), (1942, 162770), (1985, 159244), (3884, 81385), (3970, 79622), (4855, 65108), (7940, 39811), (9710, 32554), (16277, 19420)]