209176720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113683}}^1$

素因数の和:113719

約数の個数: 40

約数和(自身を含む): 507485376

約数和(自身を除く): 298308656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 113683, 227366, 454732, 568415, 909464, 1136830, 1818928, 2273660, 2614709, 4547320, 5229418, 9094640, 10458836, 13073545, 20917672, 26147090, 41835344, 52294180, 104588360, 209176720]

約数ペア:

[(1, 209176720), (2, 104588360), (4, 52294180), (5, 41835344), (8, 26147090), (10, 20917672), (16, 13073545), (20, 10458836), (23, 9094640), (40, 5229418), (46, 4547320), (80, 2614709), (92, 2273660), (115, 1818928), (184, 1136830), (230, 909464), (368, 568415), (460, 454732), (920, 227366), (1840, 113683)]