1990008

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 5793480

約数和(自身を除く): 3803472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 83, 108, 111, 148, 162, 166, 216, 222, 249, 296, 324, 332, 333, 444, 498, 648, 664, 666, 747, 888, 996, 999, 1332, 1494, 1992, 1998, 2241, 2664, 2988, 2997, 3071, 3996, 4482, 5976, 5994, 6142, 6723, 7992, 8964, 9213, 11988, 12284, 13446, 17928, 18426, 23976, 24568, 26892, 27639, 36852, 53784, 55278, 73704, 82917, 110556, 165834, 221112, 248751, 331668, 497502, 663336, 995004, 1990008]

約数ペア:

[(1, 1990008), (2, 995004), (3, 663336), (4, 497502), (6, 331668), (8, 248751), (9, 221112), (12, 165834), (18, 110556), (24, 82917), (27, 73704), (36, 55278), (37, 53784), (54, 36852), (72, 27639), (74, 26892), (81, 24568), (83, 23976), (108, 18426), (111, 17928), (148, 13446), (162, 12284), (166, 11988), (216, 9213), (222, 8964), (249, 7992), (296, 6723), (324, 6142), (332, 5994), (333, 5976), (444, 4482), (498, 3996), (648, 3071), (664, 2997), (666, 2988), (747, 2664), (888, 2241), (996, 1998), (999, 1992), (1332, 1494)]