291872980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{28559}}^1$

素因数の和:28648

約数の個数: 48

約数和(自身を含む): 710115840

約数和(自身を除く): 418242860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 28559, 57118, 114236, 142795, 199913, 285590, 399826, 571180, 799652, 999565, 1999130, 2084807, 3998260, 4169614, 8339228, 10424035, 14593649, 20848070, 29187298, 41696140, 58374596, 72968245, 145936490, 291872980]

約数ペア:

[(1, 291872980), (2, 145936490), (4, 72968245), (5, 58374596), (7, 41696140), (10, 29187298), (14, 20848070), (20, 14593649), (28, 10424035), (35, 8339228), (70, 4169614), (73, 3998260), (140, 2084807), (146, 1999130), (292, 999565), (365, 799652), (511, 571180), (730, 399826), (1022, 285590), (1460, 199913), (2044, 142795), (2555, 114236), (5110, 57118), (10220, 28559)]