18949037900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{11689}}^1$

素因数の和:11788

約数の個数: 144

約数和(自身を含む): 46878770400

約数和(自身を除く): 27929732500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 43, 50, 52, 58, 65, 86, 100, 116, 130, 145, 172, 215, 260, 290, 325, 377, 430, 559, 580, 650, 725, 754, 860, 1075, 1118, 1247, 1300, 1450, 1508, 1885, 2150, 2236, 2494, 2795, 2900, 3770, 4300, 4988, 5590, 6235, 7540, 9425, 11180, 11689, 12470, 13975, 16211, 18850, 23378, 24940, 27950, 31175, 32422, 37700, 46756, 55900, 58445, 62350, 64844, 81055, 116890, 124700, 151957, 162110, 233780, 292225, 303914, 324220, 338981, 405275, 502627, 584450, 607828, 677962, 759785, 810550, 1005254, 1168900, 1355924, 1519570, 1621100, 1694905, 2010508, 2513135, 3039140, 3389810, 3798925, 4406753, 5026270, 6534151, 6779620, 7597850, 8474525, 8813506, 10052540, 12565675, 13068302, 14576183, 15195700, 16949050, 17627012, 22033765, 25131350, 26136604, 29152366, 32670755, 33898100, 44067530, 50262700, 58304732, 65341510, 72880915, 88135060, 110168825, 130683020, 145761830, 163353775, 189490379, 220337650, 291523660, 326707550, 364404575, 378980758, 440675300, 653415100, 728809150, 757961516, 947451895, 1457618300, 1894903790, 3789807580, 4737259475, 9474518950, 18949037900]

約数ペア:

[(1, 18949037900), (2, 9474518950), (4, 4737259475), (5, 3789807580), (10, 1894903790), (13, 1457618300), (20, 947451895), (25, 757961516), (26, 728809150), (29, 653415100), (43, 440675300), (50, 378980758), (52, 364404575), (58, 326707550), (65, 291523660), (86, 220337650), (100, 189490379), (116, 163353775), (130, 145761830), (145, 130683020), (172, 110168825), (215, 88135060), (260, 72880915), (290, 65341510), (325, 58304732), (377, 50262700), (430, 44067530), (559, 33898100), (580, 32670755), (650, 29152366), (725, 26136604), (754, 25131350), (860, 22033765), (1075, 17627012), (1118, 16949050), (1247, 15195700), (1300, 14576183), (1450, 13068302), (1508, 12565675), (1885, 10052540), (2150, 8813506), (2236, 8474525), (2494, 7597850), (2795, 6779620), (2900, 6534151), (3770, 5026270), (4300, 4406753), (4988, 3798925), (5590, 3389810), (6235, 3039140), (7540, 2513135), (9425, 2010508), (11180, 1694905), (11689, 1621100), (12470, 1519570), (13975, 1355924), (16211, 1168900), (18850, 1005254), (23378, 810550), (24940, 759785), (27950, 677962), (31175, 607828), (32422, 584450), (37700, 502627), (46756, 405275), (55900, 338981), (58445, 324220), (62350, 303914), (64844, 292225), (81055, 233780), (116890, 162110), (124700, 151957)]