254338910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{1669}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 534587040

約数和(自身を除く): 280248130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 311, 490, 622, 1555, 1669, 2177, 3110, 3338, 4354, 8345, 10885, 11683, 15239, 16690, 21770, 23366, 30478, 58415, 76195, 81781, 116830, 152390, 163562, 408905, 519059, 817810, 1038118, 2595295, 3633413, 5190590, 7266826, 18167065, 25433891, 36334130, 50867782, 127169455, 254338910]

約数ペア:

[(1, 254338910), (2, 127169455), (5, 50867782), (7, 36334130), (10, 25433891), (14, 18167065), (35, 7266826), (49, 5190590), (70, 3633413), (98, 2595295), (245, 1038118), (311, 817810), (490, 519059), (622, 408905), (1555, 163562), (1669, 152390), (2177, 116830), (3110, 81781), (3338, 76195), (4354, 58415), (8345, 30478), (10885, 23366), (11683, 21770), (15239, 16690)]