293960720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22543}}^1$

素因数の和:22719

約数の個数: 40

約数和(自身を含む): 687682176

約数和(自身を除く): 393721456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 22543, 45086, 90172, 112715, 180344, 225430, 360688, 450860, 901720, 1803440, 3674509, 7349018, 14698036, 18372545, 29396072, 36745090, 58792144, 73490180, 146980360, 293960720]

約数ペア:

[(1, 293960720), (2, 146980360), (4, 73490180), (5, 58792144), (8, 36745090), (10, 29396072), (16, 18372545), (20, 14698036), (40, 7349018), (80, 3674509), (163, 1803440), (326, 901720), (652, 450860), (815, 360688), (1304, 225430), (1630, 180344), (2608, 112715), (3260, 90172), (6520, 45086), (13040, 22543)]