2499966420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{8467}}^1$

素因数の和:8542

約数の個数: 192

約数和(自身を含む): 8649553920

約数和(自身を除く): 6149587500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 133, 140, 148, 185, 190, 210, 222, 228, 259, 266, 285, 370, 380, 399, 420, 444, 518, 532, 555, 570, 665, 703, 740, 777, 798, 1036, 1110, 1140, 1295, 1330, 1406, 1554, 1596, 1995, 2109, 2220, 2590, 2660, 2812, 3108, 3515, 3885, 3990, 4218, 4921, 5180, 7030, 7770, 7980, 8436, 8467, 9842, 10545, 14060, 14763, 15540, 16934, 19684, 21090, 24605, 25401, 29526, 33868, 42180, 42335, 49210, 50802, 59052, 59269, 73815, 84670, 98420, 101604, 118538, 127005, 147630, 160873, 169340, 177807, 237076, 254010, 295260, 296345, 313279, 321746, 355614, 482619, 508020, 592690, 626558, 643492, 711228, 804365, 889035, 939837, 965238, 1126111, 1185380, 1253116, 1566395, 1608730, 1778070, 1879674, 1930476, 2192953, 2252222, 2413095, 3132790, 3217460, 3378333, 3556140, 3759348, 4385906, 4504444, 4699185, 4826190, 5630555, 5952301, 6265580, 6578859, 6756666, 8771812, 9398370, 9652380, 10964765, 11261110, 11904602, 13157718, 13513332, 16891665, 17856903, 18796740, 21929530, 22522220, 23809204, 26315436, 29761505, 32894295, 33783330, 35713806, 41666107, 43859060, 59523010, 65788590, 67566660, 71427612, 83332214, 89284515, 119046020, 124998321, 131577180, 166664428, 178569030, 208330535, 249996642, 357138060, 416661070, 499993284, 624991605, 833322140, 1249983210, 2499966420]

約数ペア:

[(1, 2499966420), (2, 1249983210), (3, 833322140), (4, 624991605), (5, 499993284), (6, 416661070), (7, 357138060), (10, 249996642), (12, 208330535), (14, 178569030), (15, 166664428), (19, 131577180), (20, 124998321), (21, 119046020), (28, 89284515), (30, 83332214), (35, 71427612), (37, 67566660), (38, 65788590), (42, 59523010), (57, 43859060), (60, 41666107), (70, 35713806), (74, 33783330), (76, 32894295), (84, 29761505), (95, 26315436), (105, 23809204), (111, 22522220), (114, 21929530), (133, 18796740), (140, 17856903), (148, 16891665), (185, 13513332), (190, 13157718), (210, 11904602), (222, 11261110), (228, 10964765), (259, 9652380), (266, 9398370), (285, 8771812), (370, 6756666), (380, 6578859), (399, 6265580), (420, 5952301), (444, 5630555), (518, 4826190), (532, 4699185), (555, 4504444), (570, 4385906), (665, 3759348), (703, 3556140), (740, 3378333), (777, 3217460), (798, 3132790), (1036, 2413095), (1110, 2252222), (1140, 2192953), (1295, 1930476), (1330, 1879674), (1406, 1778070), (1554, 1608730), (1596, 1566395), (1995, 1253116), (2109, 1185380), (2220, 1126111), (2590, 965238), (2660, 939837), (2812, 889035), (3108, 804365), (3515, 711228), (3885, 643492), (3990, 626558), (4218, 592690), (4921, 508020), (5180, 482619), (7030, 355614), (7770, 321746), (7980, 313279), (8436, 296345), (8467, 295260), (9842, 254010), (10545, 237076), (14060, 177807), (14763, 169340), (15540, 160873), (16934, 147630), (19684, 127005), (21090, 118538), (24605, 101604), (25401, 98420), (29526, 84670), (33868, 73815), (42180, 59269), (42335, 59052), (49210, 50802)]