2018936075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 2747324160

約数和(自身を除く): 728388085

約数列:

[1, 5, 13, 25, 65, 89, 223, 313, 325, 445, 1115, 1157, 1565, 2225, 2899, 4069, 5575, 5785, 7825, 14495, 19847, 20345, 27857, 28925, 69799, 72475, 99235, 101725, 139285, 258011, 348995, 362141, 496175, 696425, 907387, 1290055, 1744975, 1810705, 4536935, 6212111, 6450275, 9053525, 22684675, 31060555, 80757443, 155302775, 403787215, 2018936075]

約数ペア:

[(1, 2018936075), (5, 403787215), (13, 155302775), (25, 80757443), (65, 31060555), (89, 22684675), (223, 9053525), (313, 6450275), (325, 6212111), (445, 4536935), (1115, 1810705), (1157, 1744975), (1565, 1290055), (2225, 907387), (2899, 696425), (4069, 496175), (5575, 362141), (5785, 348995), (7825, 258011), (14495, 139285), (19847, 101725), (20345, 99235), (27857, 72475), (28925, 69799)]