207069778940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1139123}}^1$

素因数の和:1139342

約数の個数: 48

約数和(自身を含む): 444941834400

約数和(自身を除く): 237872055460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 1220, 1490, 2980, 9089, 18178, 36356, 45445, 90890, 181780, 1139123, 2278246, 4556492, 5695615, 11391230, 22782460, 69486503, 138973006, 169729327, 277946012, 339458654, 347432515, 678917308, 694865030, 848646635, 1389730060, 1697293270, 3394586540, 10353488947, 20706977894, 41413955788, 51767444735, 103534889470, 207069778940]

約数ペア:

[(1, 207069778940), (2, 103534889470), (4, 51767444735), (5, 41413955788), (10, 20706977894), (20, 10353488947), (61, 3394586540), (122, 1697293270), (149, 1389730060), (244, 848646635), (298, 694865030), (305, 678917308), (596, 347432515), (610, 339458654), (745, 277946012), (1220, 169729327), (1490, 138973006), (2980, 69486503), (9089, 22782460), (18178, 11391230), (36356, 5695615), (45445, 4556492), (90890, 2278246), (181780, 1139123)]