19961700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 65995776

約数和(自身を除く): 46034076

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 30, 33, 44, 46, 50, 55, 60, 66, 69, 75, 92, 100, 110, 115, 132, 138, 150, 165, 220, 230, 253, 263, 275, 276, 300, 330, 345, 460, 506, 526, 550, 575, 660, 690, 759, 789, 825, 1012, 1052, 1100, 1150, 1265, 1315, 1380, 1518, 1578, 1650, 1725, 2300, 2530, 2630, 2893, 3036, 3156, 3300, 3450, 3795, 3945, 5060, 5260, 5786, 6049, 6325, 6575, 6900, 7590, 7890, 8679, 11572, 12098, 12650, 13150, 14465, 15180, 15780, 17358, 18147, 18975, 19725, 24196, 25300, 26300, 28930, 30245, 34716, 36294, 37950, 39450, 43395, 57860, 60490, 66539, 72325, 72588, 75900, 78900, 86790, 90735, 120980, 133078, 144650, 151225, 173580, 181470, 199617, 216975, 266156, 289300, 302450, 332695, 362940, 399234, 433950, 453675, 604900, 665390, 798468, 867900, 907350, 998085, 1330780, 1663475, 1814700, 1996170, 3326950, 3992340, 4990425, 6653900, 9980850, 19961700]

約数ペア:

[(1, 19961700), (2, 9980850), (3, 6653900), (4, 4990425), (5, 3992340), (6, 3326950), (10, 1996170), (11, 1814700), (12, 1663475), (15, 1330780), (20, 998085), (22, 907350), (23, 867900), (25, 798468), (30, 665390), (33, 604900), (44, 453675), (46, 433950), (50, 399234), (55, 362940), (60, 332695), (66, 302450), (69, 289300), (75, 266156), (92, 216975), (100, 199617), (110, 181470), (115, 173580), (132, 151225), (138, 144650), (150, 133078), (165, 120980), (220, 90735), (230, 86790), (253, 78900), (263, 75900), (275, 72588), (276, 72325), (300, 66539), (330, 60490), (345, 57860), (460, 43395), (506, 39450), (526, 37950), (550, 36294), (575, 34716), (660, 30245), (690, 28930), (759, 26300), (789, 25300), (825, 24196), (1012, 19725), (1052, 18975), (1100, 18147), (1150, 17358), (1265, 15780), (1315, 15180), (1380, 14465), (1518, 13150), (1578, 12650), (1650, 12098), (1725, 11572), (2300, 8679), (2530, 7890), (2630, 7590), (2893, 6900), (3036, 6575), (3156, 6325), (3300, 6049), (3450, 5786), (3795, 5260), (3945, 5060)]