642753070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{4723}}^1$

素因数の和:5200

約数の個数: 32

約数和(自身を含む): 1197250560

約数和(自身を除く): 554497490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 439, 878, 2195, 4390, 4723, 9446, 13609, 23615, 27218, 47230, 68045, 136090, 146413, 292826, 732065, 1464130, 2073397, 4146794, 10366985, 20733970, 64275307, 128550614, 321376535, 642753070]

約数ペア:

[(1, 642753070), (2, 321376535), (5, 128550614), (10, 64275307), (31, 20733970), (62, 10366985), (155, 4146794), (310, 2073397), (439, 1464130), (878, 732065), (2195, 292826), (4390, 146413), (4723, 136090), (9446, 68045), (13609, 47230), (23615, 27218)]