82971980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45589}}^1$

素因数の和:45618

約数の個数: 48

約数和(自身を含む): 214455360

約数和(自身を除く): 131483380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 45589, 91178, 182356, 227945, 319123, 455890, 592657, 638246, 911780, 1185314, 1276492, 1595615, 2370628, 2963285, 3191230, 4148599, 5926570, 6382460, 8297198, 11853140, 16594396, 20742995, 41485990, 82971980]

約数ペア:

[(1, 82971980), (2, 41485990), (4, 20742995), (5, 16594396), (7, 11853140), (10, 8297198), (13, 6382460), (14, 5926570), (20, 4148599), (26, 3191230), (28, 2963285), (35, 2370628), (52, 1595615), (65, 1276492), (70, 1185314), (91, 911780), (130, 638246), (140, 592657), (182, 455890), (260, 319123), (364, 227945), (455, 182356), (910, 91178), (1820, 45589)]