621500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 1493856

約数和(自身を除く): 872356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 125, 220, 226, 250, 275, 452, 500, 550, 565, 1100, 1130, 1243, 1375, 2260, 2486, 2750, 2825, 4972, 5500, 5650, 6215, 11300, 12430, 14125, 24860, 28250, 31075, 56500, 62150, 124300, 155375, 310750, 621500]

約数ペア:

[(1, 621500), (2, 310750), (4, 155375), (5, 124300), (10, 62150), (11, 56500), (20, 31075), (22, 28250), (25, 24860), (44, 14125), (50, 12430), (55, 11300), (100, 6215), (110, 5650), (113, 5500), (125, 4972), (220, 2825), (226, 2750), (250, 2486), (275, 2260), (452, 1375), (500, 1243), (550, 1130), (565, 1100)]