87480400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 242940800

約数和(自身を除く): 155460400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 157, 175, 199, 200, 280, 314, 350, 398, 400, 560, 628, 700, 785, 796, 995, 1099, 1256, 1393, 1400, 1570, 1592, 1990, 2198, 2512, 2786, 2800, 3140, 3184, 3925, 3980, 4396, 4975, 5495, 5572, 6280, 6965, 7850, 7960, 8792, 9950, 10990, 11144, 12560, 13930, 15700, 15920, 17584, 19900, 21980, 22288, 27475, 27860, 31243, 31400, 34825, 39800, 43960, 54950, 55720, 62486, 62800, 69650, 79600, 87920, 109900, 111440, 124972, 139300, 156215, 218701, 219800, 249944, 278600, 312430, 437402, 439600, 499888, 557200, 624860, 781075, 874804, 1093505, 1249720, 1562150, 1749608, 2187010, 2499440, 3124300, 3499216, 4374020, 5467525, 6248600, 8748040, 10935050, 12497200, 17496080, 21870100, 43740200, 87480400]

約数ペア:

[(1, 87480400), (2, 43740200), (4, 21870100), (5, 17496080), (7, 12497200), (8, 10935050), (10, 8748040), (14, 6248600), (16, 5467525), (20, 4374020), (25, 3499216), (28, 3124300), (35, 2499440), (40, 2187010), (50, 1749608), (56, 1562150), (70, 1249720), (80, 1093505), (100, 874804), (112, 781075), (140, 624860), (157, 557200), (175, 499888), (199, 439600), (200, 437402), (280, 312430), (314, 278600), (350, 249944), (398, 219800), (400, 218701), (560, 156215), (628, 139300), (700, 124972), (785, 111440), (796, 109900), (995, 87920), (1099, 79600), (1256, 69650), (1393, 62800), (1400, 62486), (1570, 55720), (1592, 54950), (1990, 43960), (2198, 39800), (2512, 34825), (2786, 31400), (2800, 31243), (3140, 27860), (3184, 27475), (3925, 22288), (3980, 21980), (4396, 19900), (4975, 17584), (5495, 15920), (5572, 15700), (6280, 13930), (6965, 12560), (7850, 11144), (7960, 10990), (8792, 9950)]