671871940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{1297}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 1439222400

約数和(自身を除く): 767350460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 439, 590, 878, 1180, 1297, 1756, 2195, 2594, 4390, 5188, 6485, 8780, 12970, 25901, 25940, 51802, 76523, 103604, 129505, 153046, 259010, 306092, 382615, 518020, 569383, 765230, 1138766, 1530460, 2277532, 2846915, 5693830, 11387660, 33593597, 67187194, 134374388, 167967985, 335935970, 671871940]

約数ペア:

[(1, 671871940), (2, 335935970), (4, 167967985), (5, 134374388), (10, 67187194), (20, 33593597), (59, 11387660), (118, 5693830), (236, 2846915), (295, 2277532), (439, 1530460), (590, 1138766), (878, 765230), (1180, 569383), (1297, 518020), (1756, 382615), (2195, 306092), (2594, 259010), (4390, 153046), (5188, 129505), (6485, 103604), (8780, 76523), (12970, 51802), (25901, 25940)]