1919463380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{4691}}^1$

素因数の和:5240

約数の個数: 48

約数和(自身を含む): 4138344000

約数和(自身を除く): 2218880620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 499, 820, 998, 1996, 2495, 4691, 4990, 9382, 9980, 18764, 20459, 23455, 40918, 46910, 81836, 93820, 102295, 192331, 204590, 384662, 409180, 769324, 961655, 1923310, 2340809, 3846620, 4681618, 9363236, 11704045, 23408090, 46816180, 95973169, 191946338, 383892676, 479865845, 959731690, 1919463380]

約数ペア:

[(1, 1919463380), (2, 959731690), (4, 479865845), (5, 383892676), (10, 191946338), (20, 95973169), (41, 46816180), (82, 23408090), (164, 11704045), (205, 9363236), (410, 4681618), (499, 3846620), (820, 2340809), (998, 1923310), (1996, 961655), (2495, 769324), (4691, 409180), (4990, 384662), (9382, 204590), (9980, 192331), (18764, 102295), (20459, 93820), (23455, 81836), (40918, 46910)]