204534140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5519}}^1$

素因数の和:5654

約数の個数: 48

約数和(自身を含む): 459043200

約数和(自身を除く): 254509060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 5519, 7412, 9265, 11038, 18530, 22076, 27595, 37060, 55190, 93823, 110380, 187646, 375292, 469115, 601571, 938230, 1203142, 1876460, 2406284, 3007855, 6015710, 10226707, 12031420, 20453414, 40906828, 51133535, 102267070, 204534140]

約数ペア:

[(1, 204534140), (2, 102267070), (4, 51133535), (5, 40906828), (10, 20453414), (17, 12031420), (20, 10226707), (34, 6015710), (68, 3007855), (85, 2406284), (109, 1876460), (170, 1203142), (218, 938230), (340, 601571), (436, 469115), (545, 375292), (1090, 187646), (1853, 110380), (2180, 93823), (3706, 55190), (5519, 37060), (7412, 27595), (9265, 22076), (11038, 18530)]