1298904100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1217}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 3041633448

約数和(自身を除く): 1742729348

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 821, 1217, 1300, 1642, 2434, 3284, 4105, 4868, 6085, 8210, 10673, 12170, 15821, 16420, 20525, 21346, 24340, 30425, 31642, 41050, 42692, 53365, 60850, 63284, 79105, 82100, 106730, 121700, 158210, 213460, 266825, 316420, 395525, 533650, 791050, 999157, 1067300, 1582100, 1998314, 3996628, 4995785, 9991570, 12989041, 19983140, 24978925, 25978082, 49957850, 51956164, 64945205, 99915700, 129890410, 259780820, 324726025, 649452050, 1298904100]

約数ペア:

[(1, 1298904100), (2, 649452050), (4, 324726025), (5, 259780820), (10, 129890410), (13, 99915700), (20, 64945205), (25, 51956164), (26, 49957850), (50, 25978082), (52, 24978925), (65, 19983140), (100, 12989041), (130, 9991570), (260, 4995785), (325, 3996628), (650, 1998314), (821, 1582100), (1217, 1067300), (1300, 999157), (1642, 791050), (2434, 533650), (3284, 395525), (4105, 316420), (4868, 266825), (6085, 213460), (8210, 158210), (10673, 121700), (12170, 106730), (15821, 82100), (16420, 79105), (20525, 63284), (21346, 60850), (24340, 53365), (30425, 42692), (31642, 41050)]