64898260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6529}}^1$

素因数の和:6616

約数の個数: 48

約数和(自身を含む): 157973760

約数和(自身を除く): 93075500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6529, 9940, 13058, 26116, 32645, 45703, 65290, 91406, 130580, 182812, 228515, 457030, 463559, 914060, 927118, 1854236, 2317795, 3244913, 4635590, 6489826, 9271180, 12979652, 16224565, 32449130, 64898260]

約数ペア:

[(1, 64898260), (2, 32449130), (4, 16224565), (5, 12979652), (7, 9271180), (10, 6489826), (14, 4635590), (20, 3244913), (28, 2317795), (35, 1854236), (70, 927118), (71, 914060), (140, 463559), (142, 457030), (284, 228515), (355, 182812), (497, 130580), (710, 91406), (994, 65290), (1420, 45703), (1988, 32645), (2485, 26116), (4970, 13058), (6529, 9940)]