381215692780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2245351}}^1$

素因数の和:2246026

約数の個数: 48

約数和(自身を含む): 863454602304

約数和(自身を除く): 482238909524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 653, 1306, 2612, 3265, 6530, 8489, 13060, 16978, 33956, 42445, 84890, 169780, 2245351, 4490702, 8981404, 11226755, 22453510, 29189563, 44907020, 58379126, 116758252, 145947815, 291895630, 583791260, 1466214203, 2932428406, 5864856812, 7331071015, 14662142030, 19060784639, 29324284060, 38121569278, 76243138556, 95303923195, 190607846390, 381215692780]

約数ペア:

[(1, 381215692780), (2, 190607846390), (4, 95303923195), (5, 76243138556), (10, 38121569278), (13, 29324284060), (20, 19060784639), (26, 14662142030), (52, 7331071015), (65, 5864856812), (130, 2932428406), (260, 1466214203), (653, 583791260), (1306, 291895630), (2612, 145947815), (3265, 116758252), (6530, 58379126), (8489, 44907020), (13060, 29189563), (16978, 22453510), (33956, 11226755), (42445, 8981404), (84890, 4490702), (169780, 2245351)]