206545840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{69779}}^1$

素因数の和:69829

約数の個数: 40

約数和(自身を含む): 493205040

約数和(自身を除く): 286659200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 69779, 139558, 279116, 348895, 558232, 697790, 1116464, 1395580, 2581823, 2791160, 5163646, 5582320, 10327292, 12909115, 20654584, 25818230, 41309168, 51636460, 103272920, 206545840]

約数ペア:

[(1, 206545840), (2, 103272920), (4, 51636460), (5, 41309168), (8, 25818230), (10, 20654584), (16, 12909115), (20, 10327292), (37, 5582320), (40, 5163646), (74, 2791160), (80, 2581823), (148, 1395580), (185, 1116464), (296, 697790), (370, 558232), (592, 348895), (740, 279116), (1480, 139558), (2960, 69779)]