179996272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1201}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 402429600

約数和(自身を除く): 222433328

約数列:

[1, 2, 4, 8, 16, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 272, 304, 323, 464, 493, 551, 646, 986, 1102, 1201, 1292, 1972, 2204, 2402, 2584, 3944, 4408, 4804, 5168, 7888, 8816, 9367, 9608, 18734, 19216, 20417, 22819, 34829, 37468, 40834, 45638, 69658, 74936, 81668, 91276, 139316, 149872, 163336, 182552, 278632, 326672, 365104, 387923, 557264, 592093, 661751, 775846, 1184186, 1323502, 1551692, 2368372, 2647004, 3103384, 4736744, 5294008, 6206768, 9473488, 10588016, 11249767, 22499534, 44999068, 89998136, 179996272]

約数ペア:

[(1, 179996272), (2, 89998136), (4, 44999068), (8, 22499534), (16, 11249767), (17, 10588016), (19, 9473488), (29, 6206768), (34, 5294008), (38, 4736744), (58, 3103384), (68, 2647004), (76, 2368372), (116, 1551692), (136, 1323502), (152, 1184186), (232, 775846), (272, 661751), (304, 592093), (323, 557264), (464, 387923), (493, 365104), (551, 326672), (646, 278632), (986, 182552), (1102, 163336), (1201, 149872), (1292, 139316), (1972, 91276), (2204, 81668), (2402, 74936), (2584, 69658), (3944, 45638), (4408, 40834), (4804, 37468), (5168, 34829), (7888, 22819), (8816, 20417), (9367, 19216), (9608, 18734)]