202602220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 432720288

約数和(自身を除く): 230118068

約数列:

[1, 2, 4, 5, 10, 20, 113, 157, 226, 314, 452, 565, 571, 628, 785, 1130, 1142, 1570, 2260, 2284, 2855, 3140, 5710, 11420, 17741, 35482, 64523, 70964, 88705, 89647, 129046, 177410, 179294, 258092, 322615, 354820, 358588, 448235, 645230, 896470, 1290460, 1792940, 10130111, 20260222, 40520444, 50650555, 101301110, 202602220]

約数ペア:

[(1, 202602220), (2, 101301110), (4, 50650555), (5, 40520444), (10, 20260222), (20, 10130111), (113, 1792940), (157, 1290460), (226, 896470), (314, 645230), (452, 448235), (565, 358588), (571, 354820), (628, 322615), (785, 258092), (1130, 179294), (1142, 177410), (1570, 129046), (2260, 89647), (2284, 88705), (2855, 70964), (3140, 64523), (5710, 35482), (11420, 17741)]