321576820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{2179}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 694391040

約数和(自身を除く): 372814220

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 157, 188, 235, 314, 470, 628, 785, 940, 1570, 2179, 3140, 4358, 7379, 8716, 10895, 14758, 21790, 29516, 36895, 43580, 73790, 102413, 147580, 204826, 342103, 409652, 512065, 684206, 1024130, 1368412, 1710515, 2048260, 3421030, 6842060, 16078841, 32157682, 64315364, 80394205, 160788410, 321576820]

約数ペア:

[(1, 321576820), (2, 160788410), (4, 80394205), (5, 64315364), (10, 32157682), (20, 16078841), (47, 6842060), (94, 3421030), (157, 2048260), (188, 1710515), (235, 1368412), (314, 1024130), (470, 684206), (628, 512065), (785, 409652), (940, 342103), (1570, 204826), (2179, 147580), (3140, 102413), (4358, 73790), (7379, 43580), (8716, 36895), (10895, 29516), (14758, 21790)]