172300975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 274426880

約数和(自身を除く): 102125905

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 103, 121, 175, 275, 385, 395, 515, 553, 605, 721, 847, 869, 1133, 1925, 1975, 2575, 2765, 3025, 3605, 4235, 4345, 5665, 6083, 7931, 8137, 9559, 12463, 13825, 18025, 21175, 21725, 28325, 30415, 39655, 40685, 47795, 56959, 62315, 66913, 87241, 89507, 152075, 198275, 203425, 238975, 284795, 311575, 334565, 436205, 447535, 626549, 984577, 1423975, 1672825, 2181025, 2237675, 3132745, 4922885, 6892039, 15663725, 24614425, 34460195, 172300975]

約数ペア:

[(1, 172300975), (5, 34460195), (7, 24614425), (11, 15663725), (25, 6892039), (35, 4922885), (55, 3132745), (77, 2237675), (79, 2181025), (103, 1672825), (121, 1423975), (175, 984577), (275, 626549), (385, 447535), (395, 436205), (515, 334565), (553, 311575), (605, 284795), (721, 238975), (847, 203425), (869, 198275), (1133, 152075), (1925, 89507), (1975, 87241), (2575, 66913), (2765, 62315), (3025, 56959), (3605, 47795), (4235, 40685), (4345, 39655), (5665, 30415), (6083, 28325), (7931, 21725), (8137, 21175), (9559, 18025), (12463, 13825)]