5180140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 12563712

約数和(自身を除く): 7383572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 227, 326, 454, 652, 815, 908, 1135, 1141, 1589, 1630, 2270, 2282, 3178, 3260, 4540, 4564, 5705, 6356, 7945, 11410, 15890, 22820, 31780, 37001, 74002, 148004, 185005, 259007, 370010, 518014, 740020, 1036028, 1295035, 2590070, 5180140]

約数ペア:

[(1, 5180140), (2, 2590070), (4, 1295035), (5, 1036028), (7, 740020), (10, 518014), (14, 370010), (20, 259007), (28, 185005), (35, 148004), (70, 74002), (140, 37001), (163, 31780), (227, 22820), (326, 15890), (454, 11410), (652, 7945), (815, 6356), (908, 5705), (1135, 4564), (1141, 4540), (1589, 3260), (1630, 3178), (2270, 2282)]