201749720

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9323}}^1$

素因数の和:9875

約数の個数: 32

約数和(自身を含む): 454824720

約数和(自身を除く): 253075000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9323, 10820, 18646, 21640, 37292, 46615, 74584, 93230, 186460, 372920, 5043743, 10087486, 20174972, 25218715, 40349944, 50437430, 100874860, 201749720]

約数ペア:

[(1, 201749720), (2, 100874860), (4, 50437430), (5, 40349944), (8, 25218715), (10, 20174972), (20, 10087486), (40, 5043743), (541, 372920), (1082, 186460), (2164, 93230), (2705, 74584), (4328, 46615), (5410, 37292), (9323, 21640), (10820, 18646)]