222974975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 314578080

約数和(自身を除く): 91603105

約数列:

[1, 5, 17, 19, 25, 53, 85, 95, 265, 323, 425, 475, 521, 901, 1007, 1325, 1615, 2605, 4505, 5035, 8075, 8857, 9899, 13025, 17119, 22525, 25175, 27613, 44285, 49495, 85595, 138065, 168283, 221425, 247475, 427975, 469421, 524647, 690325, 841415, 2347105, 2623235, 4207075, 8918999, 11735525, 13116175, 44594995, 222974975]

約数ペア:

[(1, 222974975), (5, 44594995), (17, 13116175), (19, 11735525), (25, 8918999), (53, 4207075), (85, 2623235), (95, 2347105), (265, 841415), (323, 690325), (425, 524647), (475, 469421), (521, 427975), (901, 247475), (1007, 221425), (1325, 168283), (1615, 138065), (2605, 85595), (4505, 49495), (5035, 44285), (8075, 27613), (8857, 25175), (9899, 22525), (13025, 17119)]