81904550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 191987712

約数和(自身を除く): 110083162

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 47, 50, 65, 70, 91, 94, 130, 175, 182, 235, 325, 329, 350, 383, 455, 470, 611, 650, 658, 766, 910, 1175, 1222, 1645, 1915, 2275, 2350, 2681, 3055, 3290, 3830, 4277, 4550, 4979, 5362, 6110, 8225, 8554, 9575, 9958, 13405, 15275, 16450, 18001, 19150, 21385, 24895, 26810, 30550, 34853, 36002, 42770, 49790, 67025, 69706, 90005, 106925, 124475, 126007, 134050, 174265, 180010, 213850, 234013, 248950, 252014, 348530, 450025, 468026, 630035, 871325, 900050, 1170065, 1260070, 1638091, 1742650, 2340130, 3150175, 3276182, 5850325, 6300350, 8190455, 11700650, 16380910, 40952275, 81904550]

約数ペア:

[(1, 81904550), (2, 40952275), (5, 16380910), (7, 11700650), (10, 8190455), (13, 6300350), (14, 5850325), (25, 3276182), (26, 3150175), (35, 2340130), (47, 1742650), (50, 1638091), (65, 1260070), (70, 1170065), (91, 900050), (94, 871325), (130, 630035), (175, 468026), (182, 450025), (235, 348530), (325, 252014), (329, 248950), (350, 234013), (383, 213850), (455, 180010), (470, 174265), (611, 134050), (650, 126007), (658, 124475), (766, 106925), (910, 90005), (1175, 69706), (1222, 67025), (1645, 49790), (1915, 42770), (2275, 36002), (2350, 34853), (2681, 30550), (3055, 26810), (3290, 24895), (3830, 21385), (4277, 19150), (4550, 18001), (4979, 16450), (5362, 15275), (6110, 13405), (8225, 9958), (8554, 9575)]