90617800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 261411840

約数和(自身を除く): 170794040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 169, 175, 182, 200, 260, 280, 325, 338, 350, 364, 383, 455, 520, 650, 676, 700, 728, 766, 845, 910, 1183, 1300, 1352, 1400, 1532, 1690, 1820, 1915, 2275, 2366, 2600, 2681, 3064, 3380, 3640, 3830, 4225, 4550, 4732, 4979, 5362, 5915, 6760, 7660, 8450, 9100, 9464, 9575, 9958, 10724, 11830, 13405, 15320, 16900, 18200, 19150, 19916, 21448, 23660, 24895, 26810, 29575, 33800, 34853, 38300, 39832, 47320, 49790, 53620, 59150, 64727, 67025, 69706, 76600, 99580, 107240, 118300, 124475, 129454, 134050, 139412, 174265, 199160, 236600, 248950, 258908, 268100, 278824, 323635, 348530, 453089, 497900, 517816, 536200, 647270, 697060, 871325, 906178, 995800, 1294540, 1394120, 1618175, 1742650, 1812356, 2265445, 2589080, 3236350, 3485300, 3624712, 4530890, 6472700, 6970600, 9061780, 11327225, 12945400, 18123560, 22654450, 45308900, 90617800]

約数ペア:

[(1, 90617800), (2, 45308900), (4, 22654450), (5, 18123560), (7, 12945400), (8, 11327225), (10, 9061780), (13, 6970600), (14, 6472700), (20, 4530890), (25, 3624712), (26, 3485300), (28, 3236350), (35, 2589080), (40, 2265445), (50, 1812356), (52, 1742650), (56, 1618175), (65, 1394120), (70, 1294540), (91, 995800), (100, 906178), (104, 871325), (130, 697060), (140, 647270), (169, 536200), (175, 517816), (182, 497900), (200, 453089), (260, 348530), (280, 323635), (325, 278824), (338, 268100), (350, 258908), (364, 248950), (383, 236600), (455, 199160), (520, 174265), (650, 139412), (676, 134050), (700, 129454), (728, 124475), (766, 118300), (845, 107240), (910, 99580), (1183, 76600), (1300, 69706), (1352, 67025), (1400, 64727), (1532, 59150), (1690, 53620), (1820, 49790), (1915, 47320), (2275, 39832), (2366, 38300), (2600, 34853), (2681, 33800), (3064, 29575), (3380, 26810), (3640, 24895), (3830, 23660), (4225, 21448), (4550, 19916), (4732, 19150), (4979, 18200), (5362, 16900), (5915, 15320), (6760, 13405), (7660, 11830), (8450, 10724), (9100, 9958), (9464, 9575)]