72968440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 99399560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1049, 1480, 1739, 1880, 2098, 3478, 4196, 5245, 6956, 8392, 8695, 10490, 13912, 17390, 20980, 34780, 38813, 41960, 49303, 69560, 77626, 98606, 155252, 194065, 197212, 246515, 310504, 388130, 394424, 493030, 776260, 986060, 1552520, 1824211, 1972120, 3648422, 7296844, 9121055, 14593688, 18242110, 36484220, 72968440]

約数ペア:

[(1, 72968440), (2, 36484220), (4, 18242110), (5, 14593688), (8, 9121055), (10, 7296844), (20, 3648422), (37, 1972120), (40, 1824211), (47, 1552520), (74, 986060), (94, 776260), (148, 493030), (185, 394424), (188, 388130), (235, 310504), (296, 246515), (370, 197212), (376, 194065), (470, 155252), (740, 98606), (940, 77626), (1049, 69560), (1480, 49303), (1739, 41960), (1880, 38813), (2098, 34780), (3478, 20980), (4196, 17390), (5245, 13912), (6956, 10490), (8392, 8695)]