728021260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{6469}}^1$

素因数の和:6826

約数の個数: 48

約数和(自身を含む): 1623918240

約数和(自身を除く): 895896980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 662, 1324, 1655, 3310, 5627, 6469, 6620, 11254, 12938, 22508, 25876, 28135, 32345, 56270, 64690, 109973, 112540, 129380, 219946, 439892, 549865, 1099730, 2141239, 2199460, 4282478, 8564956, 10706195, 21412390, 36401063, 42824780, 72802126, 145604252, 182005315, 364010630, 728021260]

約数ペア:

[(1, 728021260), (2, 364010630), (4, 182005315), (5, 145604252), (10, 72802126), (17, 42824780), (20, 36401063), (34, 21412390), (68, 10706195), (85, 8564956), (170, 4282478), (331, 2199460), (340, 2141239), (662, 1099730), (1324, 549865), (1655, 439892), (3310, 219946), (5627, 129380), (6469, 112540), (6620, 109973), (11254, 64690), (12938, 56270), (22508, 32345), (25876, 28135)]