390097940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{6101}}^1$

素因数の和:6272

約数の個数: 48

約数和(自身を含む): 861114240

約数和(自身を除く): 471016300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6101, 6394, 12202, 12788, 15985, 24404, 30505, 31970, 61010, 63940, 122020, 140323, 280646, 561292, 701615, 848039, 1403230, 1696078, 2806460, 3392156, 4240195, 8480390, 16960780, 19504897, 39009794, 78019588, 97524485, 195048970, 390097940]

約数ペア:

[(1, 390097940), (2, 195048970), (4, 97524485), (5, 78019588), (10, 39009794), (20, 19504897), (23, 16960780), (46, 8480390), (92, 4240195), (115, 3392156), (139, 2806460), (230, 1696078), (278, 1403230), (460, 848039), (556, 701615), (695, 561292), (1390, 280646), (2780, 140323), (3197, 122020), (6101, 63940), (6394, 61010), (12202, 31970), (12788, 30505), (15985, 24404)]