225590900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2361

約数の個数: 72

約数和(自身を含む): 522924864

約数和(自身を除く): 297333964

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 860, 989, 1075, 1150, 1978, 2150, 2281, 2300, 3956, 4300, 4562, 4945, 9124, 9890, 11405, 19780, 22810, 24725, 45620, 49450, 52463, 57025, 98083, 98900, 104926, 114050, 196166, 209852, 228100, 262315, 392332, 490415, 524630, 980830, 1049260, 1311575, 1961660, 2255909, 2452075, 2623150, 4511818, 4904150, 5246300, 9023636, 9808300, 11279545, 22559090, 45118180, 56397725, 112795450, 225590900]

約数ペア:

[(1, 225590900), (2, 112795450), (4, 56397725), (5, 45118180), (10, 22559090), (20, 11279545), (23, 9808300), (25, 9023636), (43, 5246300), (46, 4904150), (50, 4511818), (86, 2623150), (92, 2452075), (100, 2255909), (115, 1961660), (172, 1311575), (215, 1049260), (230, 980830), (430, 524630), (460, 490415), (575, 392332), (860, 262315), (989, 228100), (1075, 209852), (1150, 196166), (1978, 114050), (2150, 104926), (2281, 98900), (2300, 98083), (3956, 57025), (4300, 52463), (4562, 49450), (4945, 45620), (9124, 24725), (9890, 22810), (11405, 19780)]