290421740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 714989184

約数和(自身を除く): 424567444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 157, 181, 292, 314, 362, 365, 511, 628, 724, 730, 785, 905, 1022, 1099, 1267, 1460, 1570, 1810, 2044, 2198, 2534, 2555, 3140, 3620, 4396, 5068, 5110, 5495, 6335, 10220, 10990, 11461, 12670, 13213, 21980, 22922, 25340, 26426, 28417, 45844, 52852, 56834, 57305, 66065, 80227, 92491, 113668, 114610, 132130, 142085, 160454, 184982, 198919, 229220, 264260, 284170, 320908, 369964, 397838, 401135, 462455, 568340, 795676, 802270, 924910, 994595, 1604540, 1849820, 1989190, 2074441, 3978380, 4148882, 8297764, 10372205, 14521087, 20744410, 29042174, 41488820, 58084348, 72605435, 145210870, 290421740]

約数ペア:

[(1, 290421740), (2, 145210870), (4, 72605435), (5, 58084348), (7, 41488820), (10, 29042174), (14, 20744410), (20, 14521087), (28, 10372205), (35, 8297764), (70, 4148882), (73, 3978380), (140, 2074441), (146, 1989190), (157, 1849820), (181, 1604540), (292, 994595), (314, 924910), (362, 802270), (365, 795676), (511, 568340), (628, 462455), (724, 401135), (730, 397838), (785, 369964), (905, 320908), (1022, 284170), (1099, 264260), (1267, 229220), (1460, 198919), (1570, 184982), (1810, 160454), (2044, 142085), (2198, 132130), (2534, 114610), (2555, 113668), (3140, 92491), (3620, 80227), (4396, 66065), (5068, 57305), (5110, 56834), (5495, 52852), (6335, 45844), (10220, 28417), (10990, 26426), (11461, 25340), (12670, 22922), (13213, 21980)]