740017840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151643}}^1$

素因数の和:151717

約数の個数: 40

約数和(自身を含む): 1748758608

約数和(自身を除く): 1008740768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 151643, 303286, 606572, 758215, 1213144, 1516430, 2426288, 3032860, 6065720, 9250223, 12131440, 18500446, 37000892, 46251115, 74001784, 92502230, 148003568, 185004460, 370008920, 740017840]

約数ペア:

[(1, 740017840), (2, 370008920), (4, 185004460), (5, 148003568), (8, 92502230), (10, 74001784), (16, 46251115), (20, 37000892), (40, 18500446), (61, 12131440), (80, 9250223), (122, 6065720), (244, 3032860), (305, 2426288), (488, 1516430), (610, 1213144), (976, 758215), (1220, 606572), (2440, 303286), (4880, 151643)]