123645900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 413751296

約数和(自身を除く): 290105396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 140, 150, 175, 194, 210, 291, 300, 350, 388, 420, 485, 525, 582, 607, 679, 700, 970, 1050, 1164, 1214, 1358, 1455, 1821, 1940, 2037, 2100, 2425, 2428, 2716, 2910, 3035, 3395, 3642, 4074, 4249, 4850, 5820, 6070, 6790, 7275, 7284, 8148, 8498, 9105, 9700, 10185, 12140, 12747, 13580, 14550, 15175, 16975, 16996, 18210, 20370, 21245, 25494, 29100, 30350, 33950, 36420, 40740, 42490, 45525, 50925, 50988, 58879, 60700, 63735, 67900, 84980, 91050, 101850, 106225, 117758, 127470, 176637, 182100, 203700, 212450, 235516, 254940, 294395, 318675, 353274, 412153, 424900, 588790, 637350, 706548, 824306, 883185, 1177580, 1236459, 1274700, 1471975, 1648612, 1766370, 2060765, 2472918, 2943950, 3532740, 4121530, 4415925, 4945836, 5887900, 6182295, 8243060, 8831850, 10303825, 12364590, 17663700, 20607650, 24729180, 30911475, 41215300, 61822950, 123645900]

約数ペア:

[(1, 123645900), (2, 61822950), (3, 41215300), (4, 30911475), (5, 24729180), (6, 20607650), (7, 17663700), (10, 12364590), (12, 10303825), (14, 8831850), (15, 8243060), (20, 6182295), (21, 5887900), (25, 4945836), (28, 4415925), (30, 4121530), (35, 3532740), (42, 2943950), (50, 2472918), (60, 2060765), (70, 1766370), (75, 1648612), (84, 1471975), (97, 1274700), (100, 1236459), (105, 1177580), (140, 883185), (150, 824306), (175, 706548), (194, 637350), (210, 588790), (291, 424900), (300, 412153), (350, 353274), (388, 318675), (420, 294395), (485, 254940), (525, 235516), (582, 212450), (607, 203700), (679, 182100), (700, 176637), (970, 127470), (1050, 117758), (1164, 106225), (1214, 101850), (1358, 91050), (1455, 84980), (1821, 67900), (1940, 63735), (2037, 60700), (2100, 58879), (2425, 50988), (2428, 50925), (2716, 45525), (2910, 42490), (3035, 40740), (3395, 36420), (3642, 33950), (4074, 30350), (4249, 29100), (4850, 25494), (5820, 21245), (6070, 20370), (6790, 18210), (7275, 16996), (7284, 16975), (8148, 15175), (8498, 14550), (9105, 13580), (9700, 12747), (10185, 12140)]