420439700

素因数分解:

$2^2\times 5^2\times {\mathrm{523}}^1\times {\mathrm{8039}}^1$

素因数の和:8576

約数の個数: 36

約数和(自身を含む): 914212320

約数和(自身を除く): 493772620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 523, 1046, 2092, 2615, 5230, 8039, 10460, 13075, 16078, 26150, 32156, 40195, 52300, 80390, 160780, 200975, 401950, 803900, 4204397, 8408794, 16817588, 21021985, 42043970, 84087940, 105109925, 210219850, 420439700]

約数ペア:

[(1, 420439700), (2, 210219850), (4, 105109925), (5, 84087940), (10, 42043970), (20, 21021985), (25, 16817588), (50, 8408794), (100, 4204397), (523, 803900), (1046, 401950), (2092, 200975), (2615, 160780), (5230, 80390), (8039, 52300), (10460, 40195), (13075, 32156), (16078, 26150)]