6440525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 10416000

約数和(自身を除く): 3975475

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 149, 175, 247, 325, 455, 475, 665, 745, 1043, 1235, 1729, 1937, 2275, 2831, 3325, 3725, 5215, 6175, 8645, 9685, 13559, 14155, 19817, 26075, 36803, 43225, 48425, 67795, 70775, 99085, 184015, 257621, 338975, 495425, 920075, 1288105, 6440525]

約数ペア:

[(1, 6440525), (5, 1288105), (7, 920075), (13, 495425), (19, 338975), (25, 257621), (35, 184015), (65, 99085), (91, 70775), (95, 67795), (133, 48425), (149, 43225), (175, 36803), (247, 26075), (325, 19817), (455, 14155), (475, 13559), (665, 9685), (745, 8645), (1043, 6175), (1235, 5215), (1729, 3725), (1937, 3325), (2275, 2831)]