74949640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2062

約数の個数: 64

約数和(自身を含む): 180351360

約数和(自身を除く): 105401720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 1987, 3772, 3974, 4715, 7544, 7948, 9430, 9935, 15896, 18860, 19870, 37720, 39740, 45701, 79480, 81467, 91402, 162934, 182804, 228505, 325868, 365608, 407335, 457010, 651736, 814670, 914020, 1629340, 1828040, 1873741, 3258680, 3747482, 7494964, 9368705, 14989928, 18737410, 37474820, 74949640]

約数ペア:

[(1, 74949640), (2, 37474820), (4, 18737410), (5, 14989928), (8, 9368705), (10, 7494964), (20, 3747482), (23, 3258680), (40, 1873741), (41, 1828040), (46, 1629340), (82, 914020), (92, 814670), (115, 651736), (164, 457010), (184, 407335), (205, 365608), (230, 325868), (328, 228505), (410, 182804), (460, 162934), (820, 91402), (920, 81467), (943, 79480), (1640, 45701), (1886, 39740), (1987, 37720), (3772, 19870), (3974, 18860), (4715, 15896), (7544, 9935), (7948, 9430)]