12972850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 26694720

約数和(自身を除く): 13721870

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 103, 110, 206, 229, 275, 458, 515, 550, 1030, 1133, 1145, 2266, 2290, 2519, 2575, 5038, 5150, 5665, 5725, 11330, 11450, 12595, 23587, 25190, 28325, 47174, 56650, 62975, 117935, 125950, 235870, 259457, 518914, 589675, 1179350, 1297285, 2594570, 6486425, 12972850]

約数ペア:

[(1, 12972850), (2, 6486425), (5, 2594570), (10, 1297285), (11, 1179350), (22, 589675), (25, 518914), (50, 259457), (55, 235870), (103, 125950), (110, 117935), (206, 62975), (229, 56650), (275, 47174), (458, 28325), (515, 25190), (550, 23587), (1030, 12595), (1133, 11450), (1145, 11330), (2266, 5725), (2290, 5665), (2519, 5150), (2575, 5038)]