1391036685520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{553457}}^1$

素因数の和:553912

約数の個数: 80

約数和(自身を含む): 3279769969680

約数和(自身を除く): 1888733284160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 353, 356, 445, 706, 712, 890, 1412, 1424, 1765, 1780, 2824, 3530, 3560, 5648, 7060, 7120, 14120, 28240, 31417, 62834, 125668, 157085, 251336, 314170, 502672, 553457, 628340, 1106914, 1256680, 2213828, 2513360, 2767285, 4427656, 5534570, 8855312, 11069140, 22138280, 44276560, 49257673, 98515346, 195370321, 197030692, 246288365, 390740642, 394061384, 492576730, 781481284, 788122768, 976851605, 985153460, 1562962568, 1953703210, 1970306920, 3125925136, 3907406420, 3940613840, 7814812840, 15629625680, 17387958569, 34775917138, 69551834276, 86939792845, 139103668552, 173879585690, 278207337104, 347759171380, 695518342760, 1391036685520]

約数ペア:

[(1, 1391036685520), (2, 695518342760), (4, 347759171380), (5, 278207337104), (8, 173879585690), (10, 139103668552), (16, 86939792845), (20, 69551834276), (40, 34775917138), (80, 17387958569), (89, 15629625680), (178, 7814812840), (353, 3940613840), (356, 3907406420), (445, 3125925136), (706, 1970306920), (712, 1953703210), (890, 1562962568), (1412, 985153460), (1424, 976851605), (1765, 788122768), (1780, 781481284), (2824, 492576730), (3530, 394061384), (3560, 390740642), (5648, 246288365), (7060, 197030692), (7120, 195370321), (14120, 98515346), (28240, 49257673), (31417, 44276560), (62834, 22138280), (125668, 11069140), (157085, 8855312), (251336, 5534570), (314170, 4427656), (502672, 2767285), (553457, 2513360), (628340, 2213828), (1106914, 1256680)]