420276820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{3413}}^1$

素因数の和:3600

約数の個数: 48

約数和(自身を含む): 908506368

約数和(自身を除く): 488229548

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 524, 655, 940, 1310, 2620, 3413, 6157, 6826, 12314, 13652, 17065, 24628, 30785, 34130, 61570, 68260, 123140, 160411, 320822, 447103, 641644, 802055, 894206, 1604110, 1788412, 2235515, 3208220, 4471030, 8942060, 21013841, 42027682, 84055364, 105069205, 210138410, 420276820]

約数ペア:

[(1, 420276820), (2, 210138410), (4, 105069205), (5, 84055364), (10, 42027682), (20, 21013841), (47, 8942060), (94, 4471030), (131, 3208220), (188, 2235515), (235, 1788412), (262, 1604110), (470, 894206), (524, 802055), (655, 641644), (940, 447103), (1310, 320822), (2620, 160411), (3413, 123140), (6157, 68260), (6826, 61570), (12314, 34130), (13652, 30785), (17065, 24628)]