440379650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 841345704

約数和(自身を除く): 400966054

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 137, 265, 274, 530, 685, 1213, 1325, 1370, 2426, 2650, 3425, 6065, 6850, 7261, 12130, 14522, 30325, 36305, 60650, 64289, 72610, 128578, 166181, 181525, 321445, 332362, 363050, 642890, 830905, 1607225, 1661810, 3214450, 4154525, 8309050, 8807593, 17615186, 44037965, 88075930, 220189825, 440379650]

約数ペア:

[(1, 440379650), (2, 220189825), (5, 88075930), (10, 44037965), (25, 17615186), (50, 8807593), (53, 8309050), (106, 4154525), (137, 3214450), (265, 1661810), (274, 1607225), (530, 830905), (685, 642890), (1213, 363050), (1325, 332362), (1370, 321445), (2426, 181525), (2650, 166181), (3425, 128578), (6065, 72610), (6850, 64289), (7261, 60650), (12130, 36305), (14522, 30325)]