254141860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{29759}}^1$

素因数の和:29836

約数の個数: 48

約数和(自身を含む): 619960320

約数和(自身を除く): 365818460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 29759, 59518, 119036, 148795, 208313, 297590, 416626, 595180, 833252, 1041565, 1815299, 2083130, 3630598, 4166260, 7261196, 9076495, 12707093, 18152990, 25414186, 36305980, 50828372, 63535465, 127070930, 254141860]

約数ペア:

[(1, 254141860), (2, 127070930), (4, 63535465), (5, 50828372), (7, 36305980), (10, 25414186), (14, 18152990), (20, 12707093), (28, 9076495), (35, 7261196), (61, 4166260), (70, 3630598), (122, 2083130), (140, 1815299), (244, 1041565), (305, 833252), (427, 595180), (610, 416626), (854, 297590), (1220, 208313), (1708, 148795), (2135, 119036), (4270, 59518), (8540, 29759)]