77486500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 211026816

約数和(自身を除く): 133540316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 131, 140, 169, 175, 182, 250, 260, 262, 325, 338, 350, 364, 455, 500, 524, 650, 655, 676, 700, 845, 875, 910, 917, 1183, 1300, 1310, 1625, 1690, 1703, 1750, 1820, 1834, 2275, 2366, 2620, 3250, 3275, 3380, 3406, 3500, 3668, 4225, 4550, 4585, 4732, 5915, 6500, 6550, 6812, 8450, 8515, 9100, 9170, 11375, 11830, 11921, 13100, 16375, 16900, 17030, 18340, 21125, 22139, 22750, 22925, 23660, 23842, 29575, 32750, 34060, 42250, 42575, 44278, 45500, 45850, 47684, 59150, 59605, 65500, 84500, 85150, 88556, 91700, 110695, 114625, 118300, 119210, 147875, 154973, 170300, 212875, 221390, 229250, 238420, 295750, 298025, 309946, 425750, 442780, 458500, 553475, 591500, 596050, 619892, 774865, 851500, 1106950, 1192100, 1490125, 1549730, 2213900, 2767375, 2980250, 3099460, 3874325, 5534750, 5960500, 7748650, 11069500, 15497300, 19371625, 38743250, 77486500]

約数ペア:

[(1, 77486500), (2, 38743250), (4, 19371625), (5, 15497300), (7, 11069500), (10, 7748650), (13, 5960500), (14, 5534750), (20, 3874325), (25, 3099460), (26, 2980250), (28, 2767375), (35, 2213900), (50, 1549730), (52, 1490125), (65, 1192100), (70, 1106950), (91, 851500), (100, 774865), (125, 619892), (130, 596050), (131, 591500), (140, 553475), (169, 458500), (175, 442780), (182, 425750), (250, 309946), (260, 298025), (262, 295750), (325, 238420), (338, 229250), (350, 221390), (364, 212875), (455, 170300), (500, 154973), (524, 147875), (650, 119210), (655, 118300), (676, 114625), (700, 110695), (845, 91700), (875, 88556), (910, 85150), (917, 84500), (1183, 65500), (1300, 59605), (1310, 59150), (1625, 47684), (1690, 45850), (1703, 45500), (1750, 44278), (1820, 42575), (1834, 42250), (2275, 34060), (2366, 32750), (2620, 29575), (3250, 23842), (3275, 23660), (3380, 22925), (3406, 22750), (3500, 22139), (3668, 21125), (4225, 18340), (4550, 17030), (4585, 16900), (4732, 16375), (5915, 13100), (6500, 11921), (6550, 11830), (6812, 11375), (8450, 9170), (8515, 9100)]