2576420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 6894720

約数和(自身を除く): 4318300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 239, 245, 308, 385, 478, 490, 539, 770, 956, 980, 1078, 1195, 1540, 1673, 2156, 2390, 2629, 2695, 3346, 4780, 5258, 5390, 6692, 8365, 10516, 10780, 11711, 13145, 16730, 18403, 23422, 26290, 33460, 36806, 46844, 52580, 58555, 73612, 92015, 117110, 128821, 184030, 234220, 257642, 368060, 515284, 644105, 1288210, 2576420]

約数ペア:

[(1, 2576420), (2, 1288210), (4, 644105), (5, 515284), (7, 368060), (10, 257642), (11, 234220), (14, 184030), (20, 128821), (22, 117110), (28, 92015), (35, 73612), (44, 58555), (49, 52580), (55, 46844), (70, 36806), (77, 33460), (98, 26290), (110, 23422), (140, 18403), (154, 16730), (196, 13145), (220, 11711), (239, 10780), (245, 10516), (308, 8365), (385, 6692), (478, 5390), (490, 5258), (539, 4780), (770, 3346), (956, 2695), (980, 2629), (1078, 2390), (1195, 2156), (1540, 1673)]