409968200

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{28871}}^1$

素因数の和:28958

約数の個数: 48

約数和(自身を含む): 966634560

約数和(自身を除く): 556666360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14200, 28871, 57742, 115484, 144355, 230968, 288710, 577420, 721775, 1154840, 1443550, 2049841, 2887100, 4099682, 5774200, 8199364, 10249205, 16398728, 20498410, 40996820, 51246025, 81993640, 102492050, 204984100, 409968200]

約数ペア:

[(1, 409968200), (2, 204984100), (4, 102492050), (5, 81993640), (8, 51246025), (10, 40996820), (20, 20498410), (25, 16398728), (40, 10249205), (50, 8199364), (71, 5774200), (100, 4099682), (142, 2887100), (200, 2049841), (284, 1443550), (355, 1154840), (568, 721775), (710, 577420), (1420, 288710), (1775, 230968), (2840, 144355), (3550, 115484), (7100, 57742), (14200, 28871)]