2660500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 6171984

約数和(自身を除く): 3511484

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 313, 340, 425, 500, 626, 850, 1252, 1565, 1700, 2125, 3130, 4250, 5321, 6260, 7825, 8500, 10642, 15650, 21284, 26605, 31300, 39125, 53210, 78250, 106420, 133025, 156500, 266050, 532100, 665125, 1330250, 2660500]

約数ペア:

[(1, 2660500), (2, 1330250), (4, 665125), (5, 532100), (10, 266050), (17, 156500), (20, 133025), (25, 106420), (34, 78250), (50, 53210), (68, 39125), (85, 31300), (100, 26605), (125, 21284), (170, 15650), (250, 10642), (313, 8500), (340, 7825), (425, 6260), (500, 5321), (626, 4250), (850, 3130), (1252, 2125), (1565, 1700)]