1381600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 3702888

約数和(自身を除く): 2321288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 157, 160, 176, 200, 220, 275, 314, 352, 400, 440, 550, 628, 785, 800, 880, 1100, 1256, 1570, 1727, 1760, 2200, 2512, 3140, 3454, 3925, 4400, 5024, 6280, 6908, 7850, 8635, 8800, 12560, 13816, 15700, 17270, 25120, 27632, 31400, 34540, 43175, 55264, 62800, 69080, 86350, 125600, 138160, 172700, 276320, 345400, 690800, 1381600]

約数ペア:

[(1, 1381600), (2, 690800), (4, 345400), (5, 276320), (8, 172700), (10, 138160), (11, 125600), (16, 86350), (20, 69080), (22, 62800), (25, 55264), (32, 43175), (40, 34540), (44, 31400), (50, 27632), (55, 25120), (80, 17270), (88, 15700), (100, 13816), (110, 12560), (157, 8800), (160, 8635), (176, 7850), (200, 6908), (220, 6280), (275, 5024), (314, 4400), (352, 3925), (400, 3454), (440, 3140), (550, 2512), (628, 2200), (785, 1760), (800, 1727), (880, 1570), (1100, 1256)]