265978900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10513}}^1$

素因数の和:10561

約数の個数: 72

約数和(自身を含む): 657082944

約数和(自身を除く): 391104044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 5060, 6325, 10513, 12650, 21026, 25300, 42052, 52565, 105130, 115643, 210260, 231286, 241799, 262825, 462572, 483598, 525650, 578215, 967196, 1051300, 1156430, 1208995, 2312860, 2417990, 2659789, 2891075, 4835980, 5319578, 5782150, 6044975, 10639156, 11564300, 12089950, 13298945, 24179900, 26597890, 53195780, 66494725, 132989450, 265978900]

約数ペア:

[(1, 265978900), (2, 132989450), (4, 66494725), (5, 53195780), (10, 26597890), (11, 24179900), (20, 13298945), (22, 12089950), (23, 11564300), (25, 10639156), (44, 6044975), (46, 5782150), (50, 5319578), (55, 4835980), (92, 2891075), (100, 2659789), (110, 2417990), (115, 2312860), (220, 1208995), (230, 1156430), (253, 1051300), (275, 967196), (460, 578215), (506, 525650), (550, 483598), (575, 462572), (1012, 262825), (1100, 241799), (1150, 231286), (1265, 210260), (2300, 115643), (2530, 105130), (5060, 52565), (6325, 42052), (10513, 25300), (12650, 21026)]