55354775

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 82328064

約数和(自身を除く): 26973289

約数列:

[1, 5, 7, 25, 35, 37, 83, 103, 175, 185, 259, 415, 515, 581, 721, 925, 1295, 2075, 2575, 2905, 3071, 3605, 3811, 6475, 8549, 14525, 15355, 18025, 19055, 21497, 26677, 42745, 59843, 76775, 95275, 107485, 133385, 213725, 299215, 316313, 537425, 666925, 1496075, 1581565, 2214191, 7907825, 11070955, 55354775]

約数ペア:

[(1, 55354775), (5, 11070955), (7, 7907825), (25, 2214191), (35, 1581565), (37, 1496075), (83, 666925), (103, 537425), (175, 316313), (185, 299215), (259, 213725), (415, 133385), (515, 107485), (581, 95275), (721, 76775), (925, 59843), (1295, 42745), (2075, 26677), (2575, 21497), (2905, 19055), (3071, 18025), (3605, 15355), (3811, 14525), (6475, 8549)]