7491890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 16727040

約数和(自身を除く): 9235150

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 70, 86, 95, 131, 133, 190, 215, 262, 266, 301, 430, 602, 655, 665, 817, 917, 1310, 1330, 1505, 1634, 1834, 2489, 3010, 4085, 4585, 4978, 5633, 5719, 8170, 9170, 11266, 11438, 12445, 17423, 24890, 28165, 28595, 34846, 39431, 56330, 57190, 78862, 87115, 107027, 174230, 197155, 214054, 394310, 535135, 749189, 1070270, 1498378, 3745945, 7491890]

約数ペア:

[(1, 7491890), (2, 3745945), (5, 1498378), (7, 1070270), (10, 749189), (14, 535135), (19, 394310), (35, 214054), (38, 197155), (43, 174230), (70, 107027), (86, 87115), (95, 78862), (131, 57190), (133, 56330), (190, 39431), (215, 34846), (262, 28595), (266, 28165), (301, 24890), (430, 17423), (602, 12445), (655, 11438), (665, 11266), (817, 9170), (917, 8170), (1310, 5719), (1330, 5633), (1505, 4978), (1634, 4585), (1834, 4085), (2489, 3010)]