64890700

素因数分解:

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

素因数の和:105

約数の個数: 216

約数和(自身を含む): 187019280

約数和(自身を除く): 122128580

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 41, 49, 50, 68, 70, 76, 82, 85, 95, 98, 100, 119, 133, 140, 164, 170, 175, 190, 196, 205, 238, 245, 266, 287, 323, 340, 350, 380, 410, 425, 475, 476, 490, 532, 574, 595, 646, 665, 697, 700, 779, 820, 833, 850, 931, 950, 980, 1025, 1148, 1190, 1225, 1292, 1330, 1394, 1435, 1558, 1615, 1666, 1700, 1862, 1900, 2009, 2050, 2261, 2380, 2450, 2660, 2788, 2870, 2975, 3116, 3230, 3325, 3332, 3485, 3724, 3895, 4018, 4100, 4165, 4522, 4655, 4879, 4900, 5453, 5740, 5950, 6460, 6650, 6970, 7175, 7790, 8036, 8075, 8330, 9044, 9310, 9758, 10045, 10906, 11305, 11900, 13243, 13300, 13940, 14350, 15580, 15827, 16150, 16660, 17425, 18620, 19475, 19516, 20090, 20825, 21812, 22610, 23275, 24395, 26486, 27265, 28700, 31654, 32300, 34153, 34850, 38171, 38950, 40180, 41650, 45220, 46550, 48790, 50225, 52972, 54530, 56525, 63308, 66215, 68306, 69700, 76342, 77900, 79135, 83300, 92701, 93100, 97580, 100450, 109060, 113050, 121975, 132430, 136325, 136612, 152684, 158270, 170765, 185402, 190855, 200900, 226100, 243950, 264860, 272650, 316540, 331075, 341530, 370804, 381710, 395675, 463505, 487900, 545300, 648907, 662150, 683060, 763420, 791350, 853825, 927010, 954275, 1297814, 1324300, 1582700, 1707650, 1854020, 1908550, 2317525, 2595628, 3244535, 3415300, 3817100, 4635050, 6489070, 9270100, 12978140, 16222675, 32445350, 64890700]

約数ペア:

[(1, 64890700), (2, 32445350), (4, 16222675), (5, 12978140), (7, 9270100), (10, 6489070), (14, 4635050), (17, 3817100), (19, 3415300), (20, 3244535), (25, 2595628), (28, 2317525), (34, 1908550), (35, 1854020), (38, 1707650), (41, 1582700), (49, 1324300), (50, 1297814), (68, 954275), (70, 927010), (76, 853825), (82, 791350), (85, 763420), (95, 683060), (98, 662150), (100, 648907), (119, 545300), (133, 487900), (140, 463505), (164, 395675), (170, 381710), (175, 370804), (190, 341530), (196, 331075), (205, 316540), (238, 272650), (245, 264860), (266, 243950), (287, 226100), (323, 200900), (340, 190855), (350, 185402), (380, 170765), (410, 158270), (425, 152684), (475, 136612), (476, 136325), (490, 132430), (532, 121975), (574, 113050), (595, 109060), (646, 100450), (665, 97580), (697, 93100), (700, 92701), (779, 83300), (820, 79135), (833, 77900), (850, 76342), (931, 69700), (950, 68306), (980, 66215), (1025, 63308), (1148, 56525), (1190, 54530), (1225, 52972), (1292, 50225), (1330, 48790), (1394, 46550), (1435, 45220), (1558, 41650), (1615, 40180), (1666, 38950), (1700, 38171), (1862, 34850), (1900, 34153), (2009, 32300), (2050, 31654), (2261, 28700), (2380, 27265), (2450, 26486), (2660, 24395), (2788, 23275), (2870, 22610), (2975, 21812), (3116, 20825), (3230, 20090), (3325, 19516), (3332, 19475), (3485, 18620), (3724, 17425), (3895, 16660), (4018, 16150), (4100, 15827), (4165, 15580), (4522, 14350), (4655, 13940), (4879, 13300), (4900, 13243), (5453, 11900), (5740, 11305), (5950, 10906), (6460, 10045), (6650, 9758), (6970, 9310), (7175, 9044), (7790, 8330), (8036, 8075)]