687108890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 1489259520

約数和(自身を除く): 802150630

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 34, 58, 65, 71, 85, 130, 142, 145, 151, 170, 221, 290, 302, 355, 377, 442, 493, 710, 754, 755, 923, 986, 1105, 1207, 1510, 1846, 1885, 1963, 2059, 2210, 2414, 2465, 2567, 3770, 3926, 4118, 4379, 4615, 4930, 5134, 6035, 6409, 8758, 9230, 9815, 10295, 10721, 12070, 12818, 12835, 15691, 19630, 20590, 21442, 21895, 25670, 26767, 31382, 32045, 33371, 35003, 43790, 53534, 53605, 56927, 64090, 66742, 70006, 74443, 78455, 107210, 113854, 133835, 139373, 148886, 156910, 166855, 175015, 182257, 267670, 278746, 284635, 310909, 333710, 350030, 364514, 372215, 455039, 569270, 621818, 696865, 744430, 910078, 911285, 967759, 1393730, 1554545, 1822570, 1935518, 2275195, 2369341, 3109090, 4041817, 4550390, 4738682, 4838795, 5285453, 8083634, 9677590, 10570906, 11846705, 20209085, 23693410, 26427265, 40418170, 52854530, 68710889, 137421778, 343554445, 687108890]

約数ペア:

[(1, 687108890), (2, 343554445), (5, 137421778), (10, 68710889), (13, 52854530), (17, 40418170), (26, 26427265), (29, 23693410), (34, 20209085), (58, 11846705), (65, 10570906), (71, 9677590), (85, 8083634), (130, 5285453), (142, 4838795), (145, 4738682), (151, 4550390), (170, 4041817), (221, 3109090), (290, 2369341), (302, 2275195), (355, 1935518), (377, 1822570), (442, 1554545), (493, 1393730), (710, 967759), (754, 911285), (755, 910078), (923, 744430), (986, 696865), (1105, 621818), (1207, 569270), (1510, 455039), (1846, 372215), (1885, 364514), (1963, 350030), (2059, 333710), (2210, 310909), (2414, 284635), (2465, 278746), (2567, 267670), (3770, 182257), (3926, 175015), (4118, 166855), (4379, 156910), (4615, 148886), (4930, 139373), (5134, 133835), (6035, 113854), (6409, 107210), (8758, 78455), (9230, 74443), (9815, 70006), (10295, 66742), (10721, 64090), (12070, 56927), (12818, 53605), (12835, 53534), (15691, 43790), (19630, 35003), (20590, 33371), (21442, 32045), (21895, 31382), (25670, 26767)]