87138940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 156716420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 41, 47, 68, 70, 76, 82, 85, 94, 95, 119, 133, 140, 164, 170, 188, 190, 205, 235, 238, 266, 287, 323, 329, 340, 380, 410, 470, 476, 532, 574, 595, 646, 658, 665, 697, 779, 799, 820, 893, 940, 1148, 1190, 1292, 1316, 1330, 1394, 1435, 1558, 1598, 1615, 1645, 1786, 1927, 2261, 2380, 2660, 2788, 2870, 3116, 3196, 3230, 3290, 3485, 3572, 3854, 3895, 3995, 4465, 4522, 4879, 5453, 5593, 5740, 6251, 6460, 6580, 6970, 7708, 7790, 7990, 8930, 9044, 9635, 9758, 10906, 11186, 11305, 12502, 13243, 13489, 13940, 15181, 15580, 15980, 17860, 19270, 19516, 21812, 22372, 22610, 24395, 25004, 26486, 26978, 27265, 27965, 30362, 31255, 32759, 36613, 38540, 45220, 48790, 52972, 53956, 54530, 55930, 60724, 62510, 65518, 66215, 67445, 73226, 75905, 92701, 97580, 106267, 109060, 111860, 125020, 131036, 132430, 134890, 146452, 151810, 163795, 183065, 185402, 212534, 229313, 256291, 264860, 269780, 303620, 327590, 366130, 370804, 425068, 458626, 463505, 512582, 531335, 622421, 655180, 732260, 917252, 927010, 1025164, 1062670, 1146565, 1244842, 1281455, 1854020, 2125340, 2293130, 2489684, 2562910, 3112105, 4356947, 4586260, 5125820, 6224210, 8713894, 12448420, 17427788, 21784735, 43569470, 87138940]

約数ペア:

[(1, 87138940), (2, 43569470), (4, 21784735), (5, 17427788), (7, 12448420), (10, 8713894), (14, 6224210), (17, 5125820), (19, 4586260), (20, 4356947), (28, 3112105), (34, 2562910), (35, 2489684), (38, 2293130), (41, 2125340), (47, 1854020), (68, 1281455), (70, 1244842), (76, 1146565), (82, 1062670), (85, 1025164), (94, 927010), (95, 917252), (119, 732260), (133, 655180), (140, 622421), (164, 531335), (170, 512582), (188, 463505), (190, 458626), (205, 425068), (235, 370804), (238, 366130), (266, 327590), (287, 303620), (323, 269780), (329, 264860), (340, 256291), (380, 229313), (410, 212534), (470, 185402), (476, 183065), (532, 163795), (574, 151810), (595, 146452), (646, 134890), (658, 132430), (665, 131036), (697, 125020), (779, 111860), (799, 109060), (820, 106267), (893, 97580), (940, 92701), (1148, 75905), (1190, 73226), (1292, 67445), (1316, 66215), (1330, 65518), (1394, 62510), (1435, 60724), (1558, 55930), (1598, 54530), (1615, 53956), (1645, 52972), (1786, 48790), (1927, 45220), (2261, 38540), (2380, 36613), (2660, 32759), (2788, 31255), (2870, 30362), (3116, 27965), (3196, 27265), (3230, 26978), (3290, 26486), (3485, 25004), (3572, 24395), (3854, 22610), (3895, 22372), (3995, 21812), (4465, 19516), (4522, 19270), (4879, 17860), (5453, 15980), (5593, 15580), (5740, 15181), (6251, 13940), (6460, 13489), (6580, 13243), (6970, 12502), (7708, 11305), (7790, 11186), (7990, 10906), (8930, 9758), (9044, 9635)]