13842440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 18989560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 199, 235, 296, 370, 376, 398, 470, 740, 796, 940, 995, 1480, 1592, 1739, 1880, 1990, 3478, 3980, 6956, 7363, 7960, 8695, 9353, 13912, 14726, 17390, 18706, 29452, 34780, 36815, 37412, 46765, 58904, 69560, 73630, 74824, 93530, 147260, 187060, 294520, 346061, 374120, 692122, 1384244, 1730305, 2768488, 3460610, 6921220, 13842440]

約数ペア:

[(1, 13842440), (2, 6921220), (4, 3460610), (5, 2768488), (8, 1730305), (10, 1384244), (20, 692122), (37, 374120), (40, 346061), (47, 294520), (74, 187060), (94, 147260), (148, 93530), (185, 74824), (188, 73630), (199, 69560), (235, 58904), (296, 46765), (370, 37412), (376, 36815), (398, 34780), (470, 29452), (740, 18706), (796, 17390), (940, 14726), (995, 13912), (1480, 9353), (1592, 8695), (1739, 7960), (1880, 7363), (1990, 6956), (3478, 3980)]