77233340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 168031584

約数和(自身を除く): 90798244

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 971, 1940, 1942, 3884, 3977, 4855, 7954, 9710, 15908, 19420, 19885, 39770, 39811, 79540, 79622, 94187, 159244, 188374, 199055, 376748, 398110, 470935, 796220, 941870, 1883740, 3861667, 7723334, 15446668, 19308335, 38616670, 77233340]

約数ペア:

[(1, 77233340), (2, 38616670), (4, 19308335), (5, 15446668), (10, 7723334), (20, 3861667), (41, 1883740), (82, 941870), (97, 796220), (164, 470935), (194, 398110), (205, 376748), (388, 199055), (410, 188374), (485, 159244), (820, 94187), (970, 79622), (971, 79540), (1940, 39811), (1942, 39770), (3884, 19885), (3977, 19420), (4855, 15908), (7954, 9710)]