407510140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{773}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 878236128

約数和(自身を除く): 470725988

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 613, 773, 860, 1226, 1546, 2452, 3065, 3092, 3865, 6130, 7730, 12260, 15460, 26359, 33239, 52718, 66478, 105436, 131795, 132956, 166195, 263590, 332390, 473849, 527180, 664780, 947698, 1895396, 2369245, 4738490, 9476980, 20375507, 40751014, 81502028, 101877535, 203755070, 407510140]

約数ペア:

[(1, 407510140), (2, 203755070), (4, 101877535), (5, 81502028), (10, 40751014), (20, 20375507), (43, 9476980), (86, 4738490), (172, 2369245), (215, 1895396), (430, 947698), (613, 664780), (773, 527180), (860, 473849), (1226, 332390), (1546, 263590), (2452, 166195), (3065, 132956), (3092, 131795), (3865, 105436), (6130, 66478), (7730, 52718), (12260, 33239), (15460, 26359)]