196355560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 459587520

約数和(自身を除く): 263231960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 1787, 2680, 2747, 3574, 5494, 7148, 8935, 10988, 13735, 14296, 17870, 21976, 27470, 35740, 54940, 71480, 73267, 109880, 119729, 146534, 239458, 293068, 366335, 478916, 586136, 598645, 732670, 957832, 1197290, 1465340, 2394580, 2930680, 4789160, 4908889, 9817778, 19635556, 24544445, 39271112, 49088890, 98177780, 196355560]

約数ペア:

[(1, 196355560), (2, 98177780), (4, 49088890), (5, 39271112), (8, 24544445), (10, 19635556), (20, 9817778), (40, 4908889), (41, 4789160), (67, 2930680), (82, 2394580), (134, 1465340), (164, 1197290), (205, 957832), (268, 732670), (328, 598645), (335, 586136), (410, 478916), (536, 366335), (670, 293068), (820, 239458), (1340, 146534), (1640, 119729), (1787, 109880), (2680, 73267), (2747, 71480), (3574, 54940), (5494, 35740), (7148, 27470), (8935, 21976), (10988, 17870), (13735, 14296)]