9781812460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12757}}^1\times {\mathrm{5477}}^1$

素因数の和:18250

約数の個数: 48

約数和(自身を含む): 23482476864

約数和(自身を除く): 13700664404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5477, 10954, 12757, 21908, 25514, 27385, 38339, 51028, 54770, 63785, 76678, 89299, 109540, 127570, 153356, 178598, 191695, 255140, 357196, 383390, 446495, 766780, 892990, 1785980, 69870089, 139740178, 279480356, 349350445, 489090623, 698700890, 978181246, 1397401780, 1956362492, 2445453115, 4890906230, 9781812460]

約数ペア:

[(1, 9781812460), (2, 4890906230), (4, 2445453115), (5, 1956362492), (7, 1397401780), (10, 978181246), (14, 698700890), (20, 489090623), (28, 349350445), (35, 279480356), (70, 139740178), (140, 69870089), (5477, 1785980), (10954, 892990), (12757, 766780), (21908, 446495), (25514, 383390), (27385, 357196), (38339, 255140), (51028, 191695), (54770, 178598), (63785, 153356), (76678, 127570), (89299, 109540)]