449916520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{154081}}^1$

素因数の和:154165

約数の個数: 32

約数和(自身を含む): 1026186120

約数和(自身を除く): 576269600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 154081, 308162, 616324, 770405, 1232648, 1540810, 3081620, 6163240, 11247913, 22495826, 44991652, 56239565, 89983304, 112479130, 224958260, 449916520]

約数ペア:

[(1, 449916520), (2, 224958260), (4, 112479130), (5, 89983304), (8, 56239565), (10, 44991652), (20, 22495826), (40, 11247913), (73, 6163240), (146, 3081620), (292, 1540810), (365, 1232648), (584, 770405), (730, 616324), (1460, 308162), (2920, 154081)]