747966280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{2731}}^1$

素因数の和:2950

約数の個数: 64

約数和(自身を含む): 1734929280

約数和(自身を除く): 986963000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 167, 205, 328, 334, 410, 668, 820, 835, 1336, 1640, 1670, 2731, 3340, 5462, 6680, 6847, 10924, 13655, 13694, 21848, 27310, 27388, 34235, 54620, 54776, 68470, 109240, 111971, 136940, 223942, 273880, 447884, 456077, 559855, 895768, 912154, 1119710, 1824308, 2239420, 2280385, 3648616, 4478840, 4560770, 9121540, 18243080, 18699157, 37398314, 74796628, 93495785, 149593256, 186991570, 373983140, 747966280]

約数ペア:

[(1, 747966280), (2, 373983140), (4, 186991570), (5, 149593256), (8, 93495785), (10, 74796628), (20, 37398314), (40, 18699157), (41, 18243080), (82, 9121540), (164, 4560770), (167, 4478840), (205, 3648616), (328, 2280385), (334, 2239420), (410, 1824308), (668, 1119710), (820, 912154), (835, 895768), (1336, 559855), (1640, 456077), (1670, 447884), (2731, 273880), (3340, 223942), (5462, 136940), (6680, 111971), (6847, 109240), (10924, 68470), (13655, 54776), (13694, 54620), (21848, 34235), (27310, 27388)]