227788400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{81353}}^1$

素因数の和:81378

約数の個数: 60

約数和(自身を含む): 625449552

約数和(自身を除く): 397661152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 81353, 162706, 325412, 406765, 569471, 650824, 813530, 1138942, 1301648, 1627060, 2033825, 2277884, 2847355, 3254120, 4067650, 4555768, 5694710, 6508240, 8135300, 9111536, 11389420, 14236775, 16270600, 22778840, 28473550, 32541200, 45557680, 56947100, 113894200, 227788400]

約数ペア:

[(1, 227788400), (2, 113894200), (4, 56947100), (5, 45557680), (7, 32541200), (8, 28473550), (10, 22778840), (14, 16270600), (16, 14236775), (20, 11389420), (25, 9111536), (28, 8135300), (35, 6508240), (40, 5694710), (50, 4555768), (56, 4067650), (70, 3254120), (80, 2847355), (100, 2277884), (112, 2033825), (140, 1627060), (175, 1301648), (200, 1138942), (280, 813530), (350, 650824), (400, 569471), (560, 406765), (700, 325412), (1400, 162706), (2800, 81353)]