649605460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1723}}^1\times {\mathrm{2693}}^1$

素因数の和:4432

約数の個数: 48

約数和(自身を含む): 1560537216

約数和(自身を除く): 910931756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1723, 2693, 3446, 5386, 6892, 8615, 10772, 12061, 13465, 17230, 18851, 24122, 26930, 34460, 37702, 48244, 53860, 60305, 75404, 94255, 120610, 188510, 241220, 377020, 4640039, 9280078, 18560156, 23200195, 32480273, 46400390, 64960546, 92800780, 129921092, 162401365, 324802730, 649605460]

約数ペア:

[(1, 649605460), (2, 324802730), (4, 162401365), (5, 129921092), (7, 92800780), (10, 64960546), (14, 46400390), (20, 32480273), (28, 23200195), (35, 18560156), (70, 9280078), (140, 4640039), (1723, 377020), (2693, 241220), (3446, 188510), (5386, 120610), (6892, 94255), (8615, 75404), (10772, 60305), (12061, 53860), (13465, 48244), (17230, 37702), (18851, 34460), (24122, 26930)]