197911800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2622

約数の個数: 144

約数和(自身を含む): 680376840

約数和(自身を除く): 482465040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 258, 300, 344, 360, 387, 430, 450, 516, 600, 645, 774, 860, 900, 1032, 1075, 1290, 1548, 1720, 1800, 1935, 2150, 2557, 2580, 3096, 3225, 3870, 4300, 5114, 5160, 6450, 7671, 7740, 8600, 9675, 10228, 12785, 12900, 15342, 15480, 19350, 20456, 23013, 25570, 25800, 30684, 38355, 38700, 46026, 51140, 61368, 63925, 76710, 77400, 92052, 102280, 109951, 115065, 127850, 153420, 184104, 191775, 219902, 230130, 255700, 306840, 329853, 383550, 439804, 460260, 511400, 549755, 575325, 659706, 767100, 879608, 920520, 989559, 1099510, 1150650, 1319412, 1534200, 1649265, 1979118, 2199020, 2301300, 2638824, 2748775, 3298530, 3958236, 4398040, 4602600, 4947795, 5497550, 6597060, 7916472, 8246325, 9895590, 10995100, 13194120, 16492650, 19791180, 21990200, 24738975, 32985300, 39582360, 49477950, 65970600, 98955900, 197911800]

約数ペア:

[(1, 197911800), (2, 98955900), (3, 65970600), (4, 49477950), (5, 39582360), (6, 32985300), (8, 24738975), (9, 21990200), (10, 19791180), (12, 16492650), (15, 13194120), (18, 10995100), (20, 9895590), (24, 8246325), (25, 7916472), (30, 6597060), (36, 5497550), (40, 4947795), (43, 4602600), (45, 4398040), (50, 3958236), (60, 3298530), (72, 2748775), (75, 2638824), (86, 2301300), (90, 2199020), (100, 1979118), (120, 1649265), (129, 1534200), (150, 1319412), (172, 1150650), (180, 1099510), (200, 989559), (215, 920520), (225, 879608), (258, 767100), (300, 659706), (344, 575325), (360, 549755), (387, 511400), (430, 460260), (450, 439804), (516, 383550), (600, 329853), (645, 306840), (774, 255700), (860, 230130), (900, 219902), (1032, 191775), (1075, 184104), (1290, 153420), (1548, 127850), (1720, 115065), (1800, 109951), (1935, 102280), (2150, 92052), (2557, 77400), (2580, 76710), (3096, 63925), (3225, 61368), (3870, 51140), (4300, 46026), (5114, 38700), (5160, 38355), (6450, 30684), (7671, 25800), (7740, 25570), (8600, 23013), (9675, 20456), (10228, 19350), (12785, 15480), (12900, 15342)]