7578350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 15467760

約数和(自身を除く): 7889410

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 131, 178, 262, 325, 445, 650, 655, 890, 1157, 1310, 1703, 2225, 2314, 3275, 3406, 4450, 5785, 6550, 8515, 11570, 11659, 17030, 23318, 28925, 42575, 57850, 58295, 85150, 116590, 151567, 291475, 303134, 582950, 757835, 1515670, 3789175, 7578350]

約数ペア:

[(1, 7578350), (2, 3789175), (5, 1515670), (10, 757835), (13, 582950), (25, 303134), (26, 291475), (50, 151567), (65, 116590), (89, 85150), (130, 58295), (131, 57850), (178, 42575), (262, 28925), (325, 23318), (445, 17030), (650, 11659), (655, 11570), (890, 8515), (1157, 6550), (1310, 5785), (1703, 4450), (2225, 3406), (2314, 3275)]