88991800

素因数分解:

$2^3\times 5^2\times {\mathrm{449}}^1\times {\mathrm{991}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 207576000

約数和(自身を除く): 118584200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 449, 898, 991, 1796, 1982, 2245, 3592, 3964, 4490, 4955, 7928, 8980, 9910, 11225, 17960, 19820, 22450, 24775, 39640, 44900, 49550, 89800, 99100, 198200, 444959, 889918, 1779836, 2224795, 3559672, 4449590, 8899180, 11123975, 17798360, 22247950, 44495900, 88991800]

約数ペア:

[(1, 88991800), (2, 44495900), (4, 22247950), (5, 17798360), (8, 11123975), (10, 8899180), (20, 4449590), (25, 3559672), (40, 2224795), (50, 1779836), (100, 889918), (200, 444959), (449, 198200), (898, 99100), (991, 89800), (1796, 49550), (1982, 44900), (2245, 39640), (3592, 24775), (3964, 22450), (4490, 19820), (4955, 17960), (7928, 11225), (8980, 9910)]