258412700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 701413440

約数和(自身を除く): 443000740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 73, 91, 100, 130, 140, 146, 175, 182, 260, 292, 325, 350, 364, 365, 389, 455, 511, 650, 700, 730, 778, 910, 949, 1022, 1300, 1460, 1556, 1820, 1825, 1898, 1945, 2044, 2275, 2555, 2723, 3650, 3796, 3890, 4550, 4745, 5057, 5110, 5446, 6643, 7300, 7780, 9100, 9490, 9725, 10114, 10220, 10892, 12775, 13286, 13615, 18980, 19450, 20228, 23725, 25285, 25550, 26572, 27230, 28397, 33215, 35399, 38900, 47450, 50570, 51100, 54460, 56794, 66430, 68075, 70798, 94900, 101140, 113588, 126425, 132860, 136150, 141596, 141985, 166075, 176995, 198779, 252850, 272300, 283970, 332150, 353990, 369161, 397558, 505700, 567940, 664300, 707980, 709925, 738322, 795116, 884975, 993895, 1419850, 1476644, 1769950, 1845805, 1987790, 2584127, 2839700, 3539900, 3691610, 3975580, 4969475, 5168254, 7383220, 9229025, 9938950, 10336508, 12920635, 18458050, 19877900, 25841270, 36916100, 51682540, 64603175, 129206350, 258412700]

約数ペア:

[(1, 258412700), (2, 129206350), (4, 64603175), (5, 51682540), (7, 36916100), (10, 25841270), (13, 19877900), (14, 18458050), (20, 12920635), (25, 10336508), (26, 9938950), (28, 9229025), (35, 7383220), (50, 5168254), (52, 4969475), (65, 3975580), (70, 3691610), (73, 3539900), (91, 2839700), (100, 2584127), (130, 1987790), (140, 1845805), (146, 1769950), (175, 1476644), (182, 1419850), (260, 993895), (292, 884975), (325, 795116), (350, 738322), (364, 709925), (365, 707980), (389, 664300), (455, 567940), (511, 505700), (650, 397558), (700, 369161), (730, 353990), (778, 332150), (910, 283970), (949, 272300), (1022, 252850), (1300, 198779), (1460, 176995), (1556, 166075), (1820, 141985), (1825, 141596), (1898, 136150), (1945, 132860), (2044, 126425), (2275, 113588), (2555, 101140), (2723, 94900), (3650, 70798), (3796, 68075), (3890, 66430), (4550, 56794), (4745, 54460), (5057, 51100), (5110, 50570), (5446, 47450), (6643, 38900), (7300, 35399), (7780, 33215), (9100, 28397), (9490, 27230), (9725, 26572), (10114, 25550), (10220, 25285), (10892, 23725), (12775, 20228), (13286, 19450), (13615, 18980)]