405462820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{12647}}^1$

素因数の和:12892

約数の個数: 48

約数和(自身を含む): 977437440

約数和(自身を除く): 571974620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 6412, 8015, 12647, 16030, 25294, 32060, 50588, 63235, 88529, 126470, 177058, 252940, 354116, 442645, 885290, 1770580, 2896163, 5792326, 11584652, 14480815, 20273141, 28961630, 40546282, 57923260, 81092564, 101365705, 202731410, 405462820]

約数ペア:

[(1, 405462820), (2, 202731410), (4, 101365705), (5, 81092564), (7, 57923260), (10, 40546282), (14, 28961630), (20, 20273141), (28, 14480815), (35, 11584652), (70, 5792326), (140, 2896163), (229, 1770580), (458, 885290), (916, 442645), (1145, 354116), (1603, 252940), (2290, 177058), (3206, 126470), (4580, 88529), (6412, 63235), (8015, 50588), (12647, 32060), (16030, 25294)]