2605900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 6499584

約数和(自身を除く): 3893684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 103, 110, 115, 206, 220, 230, 253, 275, 412, 460, 506, 515, 550, 575, 1012, 1030, 1100, 1133, 1150, 1265, 2060, 2266, 2300, 2369, 2530, 2575, 4532, 4738, 5060, 5150, 5665, 6325, 9476, 10300, 11330, 11845, 12650, 22660, 23690, 25300, 26059, 28325, 47380, 52118, 56650, 59225, 104236, 113300, 118450, 130295, 236900, 260590, 521180, 651475, 1302950, 2605900]

約数ペア:

[(1, 2605900), (2, 1302950), (4, 651475), (5, 521180), (10, 260590), (11, 236900), (20, 130295), (22, 118450), (23, 113300), (25, 104236), (44, 59225), (46, 56650), (50, 52118), (55, 47380), (92, 28325), (100, 26059), (103, 25300), (110, 23690), (115, 22660), (206, 12650), (220, 11845), (230, 11330), (253, 10300), (275, 9476), (412, 6325), (460, 5665), (506, 5150), (515, 5060), (550, 4738), (575, 4532), (1012, 2575), (1030, 2530), (1100, 2369), (1133, 2300), (1150, 2266), (1265, 2060)]