989115760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:899

約数の個数: 160

約数和(自身を含む): 2603404800

約数和(自身を除く): 1614289040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 34, 40, 58, 62, 68, 80, 85, 116, 124, 136, 145, 155, 170, 232, 248, 272, 290, 310, 340, 464, 493, 496, 527, 580, 620, 680, 809, 899, 986, 1054, 1160, 1240, 1360, 1618, 1798, 1972, 2108, 2320, 2465, 2480, 2635, 3236, 3596, 3944, 4045, 4216, 4495, 4930, 5270, 6472, 7192, 7888, 8090, 8432, 8990, 9860, 10540, 12944, 13753, 14384, 15283, 16180, 17980, 19720, 21080, 23461, 25079, 27506, 30566, 32360, 35960, 39440, 42160, 46922, 50158, 55012, 61132, 64720, 68765, 71920, 76415, 93844, 100316, 110024, 117305, 122264, 125395, 137530, 152830, 187688, 200632, 220048, 234610, 244528, 250790, 275060, 305660, 375376, 398837, 401264, 426343, 469220, 501580, 550120, 611320, 727291, 797674, 852686, 938440, 1003160, 1100240, 1222640, 1454582, 1595348, 1705372, 1876880, 1994185, 2006320, 2131715, 2909164, 3190696, 3410744, 3636455, 3988370, 4263430, 5818328, 6381392, 6821488, 7272910, 7976740, 8526860, 11636656, 12363947, 14545820, 15953480, 17053720, 24727894, 29091640, 31906960, 34107440, 49455788, 58183280, 61819735, 98911576, 123639470, 197823152, 247278940, 494557880, 989115760]

約数ペア:

[(1, 989115760), (2, 494557880), (4, 247278940), (5, 197823152), (8, 123639470), (10, 98911576), (16, 61819735), (17, 58183280), (20, 49455788), (29, 34107440), (31, 31906960), (34, 29091640), (40, 24727894), (58, 17053720), (62, 15953480), (68, 14545820), (80, 12363947), (85, 11636656), (116, 8526860), (124, 7976740), (136, 7272910), (145, 6821488), (155, 6381392), (170, 5818328), (232, 4263430), (248, 3988370), (272, 3636455), (290, 3410744), (310, 3190696), (340, 2909164), (464, 2131715), (493, 2006320), (496, 1994185), (527, 1876880), (580, 1705372), (620, 1595348), (680, 1454582), (809, 1222640), (899, 1100240), (986, 1003160), (1054, 938440), (1160, 852686), (1240, 797674), (1360, 727291), (1618, 611320), (1798, 550120), (1972, 501580), (2108, 469220), (2320, 426343), (2465, 401264), (2480, 398837), (2635, 375376), (3236, 305660), (3596, 275060), (3944, 250790), (4045, 244528), (4216, 234610), (4495, 220048), (4930, 200632), (5270, 187688), (6472, 152830), (7192, 137530), (7888, 125395), (8090, 122264), (8432, 117305), (8990, 110024), (9860, 100316), (10540, 93844), (12944, 76415), (13753, 71920), (14384, 68765), (15283, 64720), (16180, 61132), (17980, 55012), (19720, 50158), (21080, 46922), (23461, 42160), (25079, 39440), (27506, 35960), (30566, 32360)]