28101570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7043}}^1$

素因数の和:7079

約数の個数: 64

約数和(自身を含む): 81146880

約数和(自身を除く): 53045310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7043, 14086, 21129, 35215, 42258, 49301, 70430, 98602, 105645, 133817, 147903, 211290, 246505, 267634, 295806, 401451, 493010, 669085, 739515, 802902, 936719, 1338170, 1479030, 1873438, 2007255, 2810157, 4014510, 4683595, 5620314, 9367190, 14050785, 28101570]

約数ペア:

[(1, 28101570), (2, 14050785), (3, 9367190), (5, 5620314), (6, 4683595), (7, 4014510), (10, 2810157), (14, 2007255), (15, 1873438), (19, 1479030), (21, 1338170), (30, 936719), (35, 802902), (38, 739515), (42, 669085), (57, 493010), (70, 401451), (95, 295806), (105, 267634), (114, 246505), (133, 211290), (190, 147903), (210, 133817), (266, 105645), (285, 98602), (399, 70430), (570, 49301), (665, 42258), (798, 35215), (1330, 21129), (1995, 14086), (3990, 7043)]