2018507960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 192

約数和(自身を含む): 5515776000

約数和(自身を除く): 3497268040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 139, 140, 155, 196, 217, 239, 245, 248, 278, 280, 310, 392, 434, 478, 490, 556, 620, 695, 868, 956, 973, 980, 1085, 1112, 1195, 1240, 1390, 1519, 1673, 1736, 1912, 1946, 1960, 2170, 2390, 2780, 3038, 3346, 3892, 4309, 4340, 4780, 4865, 5560, 6076, 6692, 6811, 7409, 7595, 7784, 8365, 8618, 8680, 9560, 9730, 11711, 12152, 13384, 13622, 14818, 15190, 16730, 17236, 19460, 21545, 23422, 27244, 29636, 30163, 30380, 33221, 33460, 34055, 34472, 37045, 38920, 43090, 46844, 51863, 54488, 58555, 59272, 60326, 60760, 66442, 66920, 68110, 74090, 86180, 93688, 103726, 117110, 120652, 132884, 136220, 148180, 150815, 166105, 172360, 207452, 211141, 232547, 234220, 241304, 259315, 265768, 272440, 296360, 301630, 332210, 363041, 414904, 422282, 465094, 468440, 518630, 603260, 664420, 726082, 844564, 930188, 1029851, 1037260, 1055705, 1162735, 1206520, 1328840, 1452164, 1627829, 1689128, 1815205, 1860376, 2059702, 2074520, 2111410, 2325470, 2904328, 3255658, 3630410, 4119404, 4222820, 4650940, 5149255, 6511316, 7208957, 7260820, 8139145, 8238808, 8445640, 9301880, 10298510, 13022632, 14417914, 14521640, 16278290, 20597020, 28835828, 32556580, 36044785, 41194040, 50462699, 57671656, 65113160, 72089570, 100925398, 144179140, 201850796, 252313495, 288358280, 403701592, 504626990, 1009253980, 2018507960]

約数ペア:

[(1, 2018507960), (2, 1009253980), (4, 504626990), (5, 403701592), (7, 288358280), (8, 252313495), (10, 201850796), (14, 144179140), (20, 100925398), (28, 72089570), (31, 65113160), (35, 57671656), (40, 50462699), (49, 41194040), (56, 36044785), (62, 32556580), (70, 28835828), (98, 20597020), (124, 16278290), (139, 14521640), (140, 14417914), (155, 13022632), (196, 10298510), (217, 9301880), (239, 8445640), (245, 8238808), (248, 8139145), (278, 7260820), (280, 7208957), (310, 6511316), (392, 5149255), (434, 4650940), (478, 4222820), (490, 4119404), (556, 3630410), (620, 3255658), (695, 2904328), (868, 2325470), (956, 2111410), (973, 2074520), (980, 2059702), (1085, 1860376), (1112, 1815205), (1195, 1689128), (1240, 1627829), (1390, 1452164), (1519, 1328840), (1673, 1206520), (1736, 1162735), (1912, 1055705), (1946, 1037260), (1960, 1029851), (2170, 930188), (2390, 844564), (2780, 726082), (3038, 664420), (3346, 603260), (3892, 518630), (4309, 468440), (4340, 465094), (4780, 422282), (4865, 414904), (5560, 363041), (6076, 332210), (6692, 301630), (6811, 296360), (7409, 272440), (7595, 265768), (7784, 259315), (8365, 241304), (8618, 234220), (8680, 232547), (9560, 211141), (9730, 207452), (11711, 172360), (12152, 166105), (13384, 150815), (13622, 148180), (14818, 136220), (15190, 132884), (16730, 120652), (17236, 117110), (19460, 103726), (21545, 93688), (23422, 86180), (27244, 74090), (29636, 68110), (30163, 66920), (30380, 66442), (33221, 60760), (33460, 60326), (34055, 59272), (34472, 58555), (37045, 54488), (38920, 51863), (43090, 46844)]