640449110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 1396180800

約数和(自身を除く): 755731690

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 71, 82, 98, 142, 205, 245, 287, 355, 410, 449, 490, 497, 574, 710, 898, 994, 1435, 2009, 2245, 2485, 2870, 2911, 3143, 3479, 4018, 4490, 4970, 5822, 6286, 6958, 10045, 14555, 15715, 17395, 18409, 20090, 20377, 22001, 29110, 31430, 31879, 34790, 36818, 40754, 44002, 63758, 92045, 101885, 110005, 128863, 142639, 159395, 184090, 203770, 220010, 223153, 257726, 285278, 318790, 446306, 644315, 713195, 902041, 1115765, 1288630, 1307039, 1426390, 1562071, 1804082, 2231530, 2614078, 3124142, 4510205, 6535195, 7810355, 9020410, 9149273, 13070390, 15620710, 18298546, 45746365, 64044911, 91492730, 128089822, 320224555, 640449110]

約数ペア:

[(1, 640449110), (2, 320224555), (5, 128089822), (7, 91492730), (10, 64044911), (14, 45746365), (35, 18298546), (41, 15620710), (49, 13070390), (70, 9149273), (71, 9020410), (82, 7810355), (98, 6535195), (142, 4510205), (205, 3124142), (245, 2614078), (287, 2231530), (355, 1804082), (410, 1562071), (449, 1426390), (490, 1307039), (497, 1288630), (574, 1115765), (710, 902041), (898, 713195), (994, 644315), (1435, 446306), (2009, 318790), (2245, 285278), (2485, 257726), (2870, 223153), (2911, 220010), (3143, 203770), (3479, 184090), (4018, 159395), (4490, 142639), (4970, 128863), (5822, 110005), (6286, 101885), (6958, 92045), (10045, 63758), (14555, 44002), (15715, 40754), (17395, 36818), (18409, 34790), (20090, 31879), (20377, 31430), (22001, 29110)]