6921220

素因数分解:

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

素因数の和:292

約数の個数: 48

約数和(自身を含む): 15321600

約数和(自身を除く): 8400380

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 199, 235, 370, 398, 470, 740, 796, 940, 995, 1739, 1990, 3478, 3980, 6956, 7363, 8695, 9353, 14726, 17390, 18706, 29452, 34780, 36815, 37412, 46765, 73630, 93530, 147260, 187060, 346061, 692122, 1384244, 1730305, 3460610, 6921220]

約数ペア:

[(1, 6921220), (2, 3460610), (4, 1730305), (5, 1384244), (10, 692122), (20, 346061), (37, 187060), (47, 147260), (74, 93530), (94, 73630), (148, 46765), (185, 37412), (188, 36815), (199, 34780), (235, 29452), (370, 18706), (398, 17390), (470, 14726), (740, 9353), (796, 8695), (940, 7363), (995, 6956), (1739, 3980), (1990, 3478)]