213660400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 539005680

約数和(自身を除く): 325345280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 113, 116, 145, 163, 200, 226, 232, 290, 326, 400, 452, 464, 565, 580, 652, 725, 815, 904, 1130, 1160, 1304, 1450, 1630, 1808, 2260, 2320, 2608, 2825, 2900, 3260, 3277, 4075, 4520, 4727, 5650, 5800, 6520, 6554, 8150, 9040, 9454, 11300, 11600, 13040, 13108, 16300, 16385, 18419, 18908, 22600, 23635, 26216, 32600, 32770, 36838, 37816, 45200, 47270, 52432, 65200, 65540, 73676, 75632, 81925, 92095, 94540, 118175, 131080, 147352, 163850, 184190, 189080, 236350, 262160, 294704, 327700, 368380, 378160, 460475, 472700, 534151, 655400, 736760, 920950, 945400, 1068302, 1310800, 1473520, 1841900, 1890800, 2136604, 2670755, 3683800, 4273208, 5341510, 7367600, 8546416, 10683020, 13353775, 21366040, 26707550, 42732080, 53415100, 106830200, 213660400]

約数ペア:

[(1, 213660400), (2, 106830200), (4, 53415100), (5, 42732080), (8, 26707550), (10, 21366040), (16, 13353775), (20, 10683020), (25, 8546416), (29, 7367600), (40, 5341510), (50, 4273208), (58, 3683800), (80, 2670755), (100, 2136604), (113, 1890800), (116, 1841900), (145, 1473520), (163, 1310800), (200, 1068302), (226, 945400), (232, 920950), (290, 736760), (326, 655400), (400, 534151), (452, 472700), (464, 460475), (565, 378160), (580, 368380), (652, 327700), (725, 294704), (815, 262160), (904, 236350), (1130, 189080), (1160, 184190), (1304, 163850), (1450, 147352), (1630, 131080), (1808, 118175), (2260, 94540), (2320, 92095), (2608, 81925), (2825, 75632), (2900, 73676), (3260, 65540), (3277, 65200), (4075, 52432), (4520, 47270), (4727, 45200), (5650, 37816), (5800, 36838), (6520, 32770), (6554, 32600), (8150, 26216), (9040, 23635), (9454, 22600), (11300, 18908), (11600, 18419), (13040, 16385), (13108, 16300)]