415973380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1487}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 890942976

約数和(自身を除く): 474969596

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 197, 284, 355, 394, 710, 788, 985, 1420, 1487, 1970, 2974, 3940, 5948, 7435, 13987, 14870, 27974, 29740, 55948, 69935, 105577, 139870, 211154, 279740, 292939, 422308, 527885, 585878, 1055770, 1171756, 1464695, 2111540, 2929390, 5858780, 20798669, 41597338, 83194676, 103993345, 207986690, 415973380]

約数ペア:

[(1, 415973380), (2, 207986690), (4, 103993345), (5, 83194676), (10, 41597338), (20, 20798669), (71, 5858780), (142, 2929390), (197, 2111540), (284, 1464695), (355, 1171756), (394, 1055770), (710, 585878), (788, 527885), (985, 422308), (1420, 292939), (1487, 279740), (1970, 211154), (2974, 139870), (3940, 105577), (5948, 69935), (7435, 55948), (13987, 29740), (14870, 27974)]