206820500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{6781}}^1$

素因数の和:6861

約数の個数: 48

約数和(自身を含む): 459168528

約数和(自身を除く): 252348028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 3050, 6100, 6781, 7625, 13562, 15250, 27124, 30500, 33905, 67810, 135620, 169525, 339050, 413641, 678100, 827282, 847625, 1654564, 1695250, 2068205, 3390500, 4136410, 8272820, 10341025, 20682050, 41364100, 51705125, 103410250, 206820500]

約数ペア:

[(1, 206820500), (2, 103410250), (4, 51705125), (5, 41364100), (10, 20682050), (20, 10341025), (25, 8272820), (50, 4136410), (61, 3390500), (100, 2068205), (122, 1695250), (125, 1654564), (244, 847625), (250, 827282), (305, 678100), (500, 413641), (610, 339050), (1220, 169525), (1525, 135620), (3050, 67810), (6100, 33905), (6781, 30500), (7625, 27124), (13562, 15250)]