247157420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1471}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 538116096

約数和(自身を除く): 290958676

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 542, 620, 1084, 1355, 1471, 2710, 2942, 5420, 5884, 7355, 8401, 14710, 16802, 29420, 33604, 42005, 45601, 84010, 91202, 168020, 182404, 228005, 398641, 456010, 797282, 912020, 1594564, 1993205, 3986410, 7972820, 12357871, 24715742, 49431484, 61789355, 123578710, 247157420]

約数ペア:

[(1, 247157420), (2, 123578710), (4, 61789355), (5, 49431484), (10, 24715742), (20, 12357871), (31, 7972820), (62, 3986410), (124, 1993205), (155, 1594564), (271, 912020), (310, 797282), (542, 456010), (620, 398641), (1084, 228005), (1355, 182404), (1471, 168020), (2710, 91202), (2942, 84010), (5420, 45601), (5884, 42005), (7355, 33604), (8401, 29420), (14710, 16802)]