348530780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2381}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 789947424

約数和(自身を除く): 441416644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 563, 1126, 2252, 2381, 2815, 4762, 5630, 7319, 9524, 11260, 11905, 14638, 23810, 29276, 30953, 36595, 47620, 61906, 73190, 123812, 146380, 154765, 309530, 619060, 1340503, 2681006, 5362012, 6702515, 13405030, 17426539, 26810060, 34853078, 69706156, 87132695, 174265390, 348530780]

約数ペア:

[(1, 348530780), (2, 174265390), (4, 87132695), (5, 69706156), (10, 34853078), (13, 26810060), (20, 17426539), (26, 13405030), (52, 6702515), (65, 5362012), (130, 2681006), (260, 1340503), (563, 619060), (1126, 309530), (2252, 154765), (2381, 146380), (2815, 123812), (4762, 73190), (5630, 61906), (7319, 47620), (9524, 36595), (11260, 30953), (11905, 29276), (14638, 23810)]