30800900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 80203200

約数和(自身を除く): 49402300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 29, 38, 43, 50, 52, 58, 65, 76, 86, 95, 100, 116, 130, 145, 172, 190, 215, 247, 260, 290, 325, 377, 380, 430, 475, 494, 551, 559, 580, 650, 725, 754, 817, 860, 950, 988, 1075, 1102, 1118, 1235, 1247, 1300, 1450, 1508, 1634, 1885, 1900, 2150, 2204, 2236, 2470, 2494, 2755, 2795, 2900, 3268, 3770, 4085, 4300, 4940, 4988, 5510, 5590, 6175, 6235, 7163, 7540, 8170, 9425, 10621, 11020, 11180, 12350, 12470, 13775, 13975, 14326, 16211, 16340, 18850, 20425, 21242, 23693, 24700, 24940, 27550, 27950, 28652, 31175, 32422, 35815, 37700, 40850, 42484, 47386, 53105, 55100, 55900, 62350, 64844, 71630, 81055, 81700, 94772, 106210, 118465, 124700, 143260, 162110, 179075, 212420, 236930, 265525, 308009, 324220, 358150, 405275, 473860, 531050, 592325, 616018, 716300, 810550, 1062100, 1184650, 1232036, 1540045, 1621100, 2369300, 3080090, 6160180, 7700225, 15400450, 30800900]

約数ペア:

[(1, 30800900), (2, 15400450), (4, 7700225), (5, 6160180), (10, 3080090), (13, 2369300), (19, 1621100), (20, 1540045), (25, 1232036), (26, 1184650), (29, 1062100), (38, 810550), (43, 716300), (50, 616018), (52, 592325), (58, 531050), (65, 473860), (76, 405275), (86, 358150), (95, 324220), (100, 308009), (116, 265525), (130, 236930), (145, 212420), (172, 179075), (190, 162110), (215, 143260), (247, 124700), (260, 118465), (290, 106210), (325, 94772), (377, 81700), (380, 81055), (430, 71630), (475, 64844), (494, 62350), (551, 55900), (559, 55100), (580, 53105), (650, 47386), (725, 42484), (754, 40850), (817, 37700), (860, 35815), (950, 32422), (988, 31175), (1075, 28652), (1102, 27950), (1118, 27550), (1235, 24940), (1247, 24700), (1300, 23693), (1450, 21242), (1508, 20425), (1634, 18850), (1885, 16340), (1900, 16211), (2150, 14326), (2204, 13975), (2236, 13775), (2470, 12470), (2494, 12350), (2755, 11180), (2795, 11020), (2900, 10621), (3268, 9425), (3770, 8170), (4085, 7540), (4300, 7163), (4940, 6235), (4988, 6175), (5510, 5590)]