858598940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 2077850880

約数和(自身を除く): 1219251940

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 31, 34, 53, 58, 62, 68, 85, 106, 116, 124, 145, 155, 170, 212, 265, 290, 310, 340, 493, 527, 530, 580, 620, 899, 901, 986, 1054, 1060, 1537, 1643, 1798, 1802, 1972, 2108, 2465, 2635, 2809, 3074, 3286, 3596, 3604, 4495, 4505, 4930, 5270, 5618, 6148, 6572, 7685, 8215, 8990, 9010, 9860, 10540, 11236, 14045, 15283, 15370, 16430, 17980, 18020, 26129, 27931, 28090, 30566, 30740, 32860, 47647, 47753, 52258, 55862, 56180, 61132, 76415, 81461, 87079, 95294, 95506, 104516, 111724, 130645, 139655, 152830, 162922, 174158, 190588, 191012, 238235, 238765, 261290, 279310, 305660, 325844, 348316, 407305, 435395, 476470, 477530, 522580, 558620, 809999, 814610, 870790, 952940, 955060, 1384837, 1480343, 1619998, 1629220, 1741580, 2525291, 2769674, 2960686, 3239996, 4049995, 5050582, 5539348, 5921372, 6924185, 7401715, 8099990, 10101164, 12626455, 13848370, 14803430, 16199980, 25252910, 27696740, 29606860, 42929947, 50505820, 85859894, 171719788, 214649735, 429299470, 858598940]

約数ペア:

[(1, 858598940), (2, 429299470), (4, 214649735), (5, 171719788), (10, 85859894), (17, 50505820), (20, 42929947), (29, 29606860), (31, 27696740), (34, 25252910), (53, 16199980), (58, 14803430), (62, 13848370), (68, 12626455), (85, 10101164), (106, 8099990), (116, 7401715), (124, 6924185), (145, 5921372), (155, 5539348), (170, 5050582), (212, 4049995), (265, 3239996), (290, 2960686), (310, 2769674), (340, 2525291), (493, 1741580), (527, 1629220), (530, 1619998), (580, 1480343), (620, 1384837), (899, 955060), (901, 952940), (986, 870790), (1054, 814610), (1060, 809999), (1537, 558620), (1643, 522580), (1798, 477530), (1802, 476470), (1972, 435395), (2108, 407305), (2465, 348316), (2635, 325844), (2809, 305660), (3074, 279310), (3286, 261290), (3596, 238765), (3604, 238235), (4495, 191012), (4505, 190588), (4930, 174158), (5270, 162922), (5618, 152830), (6148, 139655), (6572, 130645), (7685, 111724), (8215, 104516), (8990, 95506), (9010, 95294), (9860, 87079), (10540, 81461), (11236, 76415), (14045, 61132), (15283, 56180), (15370, 55862), (16430, 52258), (17980, 47753), (18020, 47647), (26129, 32860), (27931, 30740), (28090, 30566)]