202169025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^3\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 385139040

約数和(自身を除く): 182970015

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 131, 171, 225, 285, 361, 393, 475, 655, 855, 1083, 1179, 1425, 1805, 1965, 2489, 3249, 3275, 4275, 5415, 5895, 6859, 7467, 9025, 9825, 12445, 16245, 20577, 22401, 27075, 29475, 34295, 37335, 47291, 61731, 62225, 81225, 102885, 112005, 141873, 171475, 186675, 236455, 308655, 425619, 514425, 560025, 709365, 898529, 1182275, 1543275, 2128095, 2695587, 3546825, 4492645, 8086761, 10640475, 13477935, 22463225, 40433805, 67389675, 202169025]

約数ペア:

[(1, 202169025), (3, 67389675), (5, 40433805), (9, 22463225), (15, 13477935), (19, 10640475), (25, 8086761), (45, 4492645), (57, 3546825), (75, 2695587), (95, 2128095), (131, 1543275), (171, 1182275), (225, 898529), (285, 709365), (361, 560025), (393, 514425), (475, 425619), (655, 308655), (855, 236455), (1083, 186675), (1179, 171475), (1425, 141873), (1805, 112005), (1965, 102885), (2489, 81225), (3249, 62225), (3275, 61731), (4275, 47291), (5415, 37335), (5895, 34295), (6859, 29475), (7467, 27075), (9025, 22401), (9825, 20577), (12445, 16245)]