655730320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1170947}}^1$

素因数の和:1170967

約数の個数: 40

約数和(自身を含む): 1742370624

約数和(自身を除く): 1086640304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1170947, 2341894, 4683788, 5854735, 8196629, 9367576, 11709470, 16393258, 18735152, 23418940, 32786516, 40983145, 46837880, 65573032, 81966290, 93675760, 131146064, 163932580, 327865160, 655730320]

約数ペア:

[(1, 655730320), (2, 327865160), (4, 163932580), (5, 131146064), (7, 93675760), (8, 81966290), (10, 65573032), (14, 46837880), (16, 40983145), (20, 32786516), (28, 23418940), (35, 18735152), (40, 16393258), (56, 11709470), (70, 9367576), (80, 8196629), (112, 5854735), (140, 4683788), (280, 2341894), (560, 1170947)]