201553520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 120

約数和(自身を含む): 565794144

約数和(自身を除く): 364240624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 361, 380, 532, 560, 665, 722, 760, 997, 1064, 1330, 1444, 1520, 1805, 1994, 2128, 2527, 2660, 2888, 3610, 3988, 4985, 5054, 5320, 5776, 6979, 7220, 7976, 9970, 10108, 10640, 12635, 13958, 14440, 15952, 18943, 19940, 20216, 25270, 27916, 28880, 34895, 37886, 39880, 40432, 50540, 55832, 69790, 75772, 79760, 94715, 101080, 111664, 132601, 139580, 151544, 189430, 202160, 265202, 279160, 303088, 359917, 378860, 530404, 558320, 663005, 719834, 757720, 1060808, 1326010, 1439668, 1515440, 1799585, 2121616, 2519419, 2652020, 2879336, 3599170, 5038838, 5304040, 5758672, 7198340, 10077676, 10608080, 12597095, 14396680, 20155352, 25194190, 28793360, 40310704, 50388380, 100776760, 201553520]

約数ペア:

[(1, 201553520), (2, 100776760), (4, 50388380), (5, 40310704), (7, 28793360), (8, 25194190), (10, 20155352), (14, 14396680), (16, 12597095), (19, 10608080), (20, 10077676), (28, 7198340), (35, 5758672), (38, 5304040), (40, 5038838), (56, 3599170), (70, 2879336), (76, 2652020), (80, 2519419), (95, 2121616), (112, 1799585), (133, 1515440), (140, 1439668), (152, 1326010), (190, 1060808), (266, 757720), (280, 719834), (304, 663005), (361, 558320), (380, 530404), (532, 378860), (560, 359917), (665, 303088), (722, 279160), (760, 265202), (997, 202160), (1064, 189430), (1330, 151544), (1444, 139580), (1520, 132601), (1805, 111664), (1994, 101080), (2128, 94715), (2527, 79760), (2660, 75772), (2888, 69790), (3610, 55832), (3988, 50540), (4985, 40432), (5054, 39880), (5320, 37886), (5776, 34895), (6979, 28880), (7220, 27916), (7976, 25270), (9970, 20216), (10108, 19940), (10640, 18943), (12635, 15952), (13958, 14440)]