201666990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 128

約数和(自身を含む): 591224832

約数和(自身を除く): 389557842

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 69, 70, 86, 105, 115, 129, 138, 161, 210, 215, 230, 258, 301, 322, 345, 430, 483, 602, 645, 690, 805, 903, 966, 971, 989, 1290, 1505, 1610, 1806, 1942, 1978, 2415, 2913, 2967, 3010, 4515, 4830, 4855, 4945, 5826, 5934, 6797, 6923, 9030, 9710, 9890, 13594, 13846, 14565, 14835, 20391, 20769, 22333, 29130, 29670, 33985, 34615, 40782, 41538, 41753, 44666, 66999, 67970, 69230, 83506, 101955, 103845, 111665, 125259, 133998, 156331, 203910, 207690, 208765, 223330, 250518, 292271, 312662, 334995, 417530, 468993, 584542, 626295, 669990, 781655, 876813, 937986, 960319, 1252590, 1461355, 1563310, 1753626, 1920638, 2344965, 2880957, 2922710, 4384065, 4689930, 4801595, 5761914, 6722233, 8768130, 9603190, 13444466, 14404785, 20166699, 28809570, 33611165, 40333398, 67222330, 100833495, 201666990]

約数ペア:

[(1, 201666990), (2, 100833495), (3, 67222330), (5, 40333398), (6, 33611165), (7, 28809570), (10, 20166699), (14, 14404785), (15, 13444466), (21, 9603190), (23, 8768130), (30, 6722233), (35, 5761914), (42, 4801595), (43, 4689930), (46, 4384065), (69, 2922710), (70, 2880957), (86, 2344965), (105, 1920638), (115, 1753626), (129, 1563310), (138, 1461355), (161, 1252590), (210, 960319), (215, 937986), (230, 876813), (258, 781655), (301, 669990), (322, 626295), (345, 584542), (430, 468993), (483, 417530), (602, 334995), (645, 312662), (690, 292271), (805, 250518), (903, 223330), (966, 208765), (971, 207690), (989, 203910), (1290, 156331), (1505, 133998), (1610, 125259), (1806, 111665), (1942, 103845), (1978, 101955), (2415, 83506), (2913, 69230), (2967, 67970), (3010, 66999), (4515, 44666), (4830, 41753), (4855, 41538), (4945, 40782), (5826, 34615), (5934, 33985), (6797, 29670), (6923, 29130), (9030, 22333), (9710, 20769), (9890, 20391), (13594, 14835), (13846, 14565)]