254461480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1403

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 464040920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 91, 104, 106, 130, 140, 182, 212, 260, 265, 280, 364, 371, 424, 455, 520, 530, 689, 728, 742, 910, 1060, 1319, 1378, 1484, 1820, 1855, 2120, 2638, 2756, 2968, 3445, 3640, 3710, 4823, 5276, 5512, 6595, 6890, 7420, 9233, 9646, 10552, 13190, 13780, 14840, 17147, 18466, 19292, 24115, 26380, 27560, 34294, 36932, 38584, 46165, 48230, 52760, 68588, 69907, 73864, 85735, 92330, 96460, 120029, 137176, 139814, 171470, 184660, 192920, 240058, 279628, 342940, 349535, 369320, 480116, 489349, 559256, 600145, 685880, 699070, 908791, 960232, 978698, 1200290, 1398140, 1817582, 1957396, 2400580, 2446745, 2796280, 3635164, 3914792, 4543955, 4801160, 4893490, 6361537, 7270328, 9087910, 9786980, 12723074, 18175820, 19573960, 25446148, 31807685, 36351640, 50892296, 63615370, 127230740, 254461480]

約数ペア:

[(1, 254461480), (2, 127230740), (4, 63615370), (5, 50892296), (7, 36351640), (8, 31807685), (10, 25446148), (13, 19573960), (14, 18175820), (20, 12723074), (26, 9786980), (28, 9087910), (35, 7270328), (40, 6361537), (52, 4893490), (53, 4801160), (56, 4543955), (65, 3914792), (70, 3635164), (91, 2796280), (104, 2446745), (106, 2400580), (130, 1957396), (140, 1817582), (182, 1398140), (212, 1200290), (260, 978698), (265, 960232), (280, 908791), (364, 699070), (371, 685880), (424, 600145), (455, 559256), (520, 489349), (530, 480116), (689, 369320), (728, 349535), (742, 342940), (910, 279628), (1060, 240058), (1319, 192920), (1378, 184660), (1484, 171470), (1820, 139814), (1855, 137176), (2120, 120029), (2638, 96460), (2756, 92330), (2968, 85735), (3445, 73864), (3640, 69907), (3710, 68588), (4823, 52760), (5276, 48230), (5512, 46165), (6595, 38584), (6890, 36932), (7420, 34294), (9233, 27560), (9646, 26380), (10552, 24115), (13190, 19292), (13780, 18466), (14840, 17147)]