1299804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{320149}}^1$

素因数の和:320194

約数の個数: 48

約数和(自身を含む): 3227112000

約数和(自身を除く): 1927307060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 320149, 640298, 1280596, 1600745, 2241043, 3201490, 4482086, 6402980, 8964172, 9284321, 11205215, 18568642, 22410430, 37137284, 44820860, 46421605, 64990247, 92843210, 129980494, 185686420, 259960988, 324951235, 649902470, 1299804940]

約数ペア:

[(1, 1299804940), (2, 649902470), (4, 324951235), (5, 259960988), (7, 185686420), (10, 129980494), (14, 92843210), (20, 64990247), (28, 46421605), (29, 44820860), (35, 37137284), (58, 22410430), (70, 18568642), (116, 11205215), (140, 9284321), (145, 8964172), (203, 6402980), (290, 4482086), (406, 3201490), (580, 2241043), (812, 1600745), (1015, 1280596), (2030, 640298), (4060, 320149)]