279183860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15493}}^1$

素因数の和:15572

約数の個数: 48

約数和(自身を含む): 632527056

約数和(自身を除く): 353343196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 15493, 18020, 30986, 61972, 77465, 154930, 263381, 309860, 526762, 821129, 1053524, 1316905, 1642258, 2633810, 3284516, 4105645, 5267620, 8211290, 13959193, 16422580, 27918386, 55836772, 69795965, 139591930, 279183860]

約数ペア:

[(1, 279183860), (2, 139591930), (4, 69795965), (5, 55836772), (10, 27918386), (17, 16422580), (20, 13959193), (34, 8211290), (53, 5267620), (68, 4105645), (85, 3284516), (106, 2633810), (170, 1642258), (212, 1316905), (265, 1053524), (340, 821129), (530, 526762), (901, 309860), (1060, 263381), (1802, 154930), (3604, 77465), (4505, 61972), (9010, 30986), (15493, 18020)]