69280900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 163505160

約数和(自身を除く): 94224260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 260, 274, 325, 389, 548, 650, 685, 778, 1300, 1370, 1556, 1781, 1945, 2740, 3425, 3562, 3890, 5057, 6850, 7124, 7780, 8905, 9725, 10114, 13700, 17810, 19450, 20228, 25285, 35620, 38900, 44525, 50570, 53293, 89050, 101140, 106586, 126425, 178100, 213172, 252850, 266465, 505700, 532930, 692809, 1065860, 1332325, 1385618, 2664650, 2771236, 3464045, 5329300, 6928090, 13856180, 17320225, 34640450, 69280900]

約数ペア:

[(1, 69280900), (2, 34640450), (4, 17320225), (5, 13856180), (10, 6928090), (13, 5329300), (20, 3464045), (25, 2771236), (26, 2664650), (50, 1385618), (52, 1332325), (65, 1065860), (100, 692809), (130, 532930), (137, 505700), (260, 266465), (274, 252850), (325, 213172), (389, 178100), (548, 126425), (650, 106586), (685, 101140), (778, 89050), (1300, 53293), (1370, 50570), (1556, 44525), (1781, 38900), (1945, 35620), (2740, 25285), (3425, 20228), (3562, 19450), (3890, 17810), (5057, 13700), (6850, 10114), (7124, 9725), (7780, 8905)]