257954060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 670451712

約数和(自身を除く): 412497652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 271, 364, 455, 523, 542, 910, 1046, 1084, 1355, 1820, 1897, 2092, 2615, 2710, 3523, 3661, 3794, 5230, 5420, 6799, 7046, 7322, 7588, 9485, 10460, 13598, 14092, 14644, 17615, 18305, 18970, 24661, 27196, 33995, 35230, 36610, 37940, 47593, 49322, 67990, 70460, 73220, 95186, 98644, 123305, 135980, 141733, 190372, 237965, 246610, 283466, 475930, 493220, 566932, 708665, 951860, 992131, 1417330, 1842529, 1984262, 2834660, 3685058, 3968524, 4960655, 7370116, 9212645, 9921310, 12897703, 18425290, 19842620, 25795406, 36850580, 51590812, 64488515, 128977030, 257954060]

約数ペア:

[(1, 257954060), (2, 128977030), (4, 64488515), (5, 51590812), (7, 36850580), (10, 25795406), (13, 19842620), (14, 18425290), (20, 12897703), (26, 9921310), (28, 9212645), (35, 7370116), (52, 4960655), (65, 3968524), (70, 3685058), (91, 2834660), (130, 1984262), (140, 1842529), (182, 1417330), (260, 992131), (271, 951860), (364, 708665), (455, 566932), (523, 493220), (542, 475930), (910, 283466), (1046, 246610), (1084, 237965), (1355, 190372), (1820, 141733), (1897, 135980), (2092, 123305), (2615, 98644), (2710, 95186), (3523, 73220), (3661, 70460), (3794, 67990), (5230, 49322), (5420, 47593), (6799, 37940), (7046, 36610), (7322, 35230), (7588, 33995), (9485, 27196), (10460, 24661), (13598, 18970), (14092, 18305), (14644, 17615)]