17949260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4466

約数の個数: 48

約数和(自身を含む): 44573760

約数和(自身を除く): 26624500

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, 4421, 8842, 17684, 22105, 30947, 44210, 61894, 88420, 123788, 128209, 154735, 256418, 309470, 512836, 618940, 641045, 897463, 1282090, 1794926, 2564180, 3589852, 4487315, 8974630, 17949260]

約数ペア:

[(1, 17949260), (2, 8974630), (4, 4487315), (5, 3589852), (7, 2564180), (10, 1794926), (14, 1282090), (20, 897463), (28, 641045), (29, 618940), (35, 512836), (58, 309470), (70, 256418), (116, 154735), (140, 128209), (145, 123788), (203, 88420), (290, 61894), (406, 44210), (580, 30947), (812, 22105), (1015, 17684), (2030, 8842), (4060, 4421)]