218367100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 579962880

約数和(自身を除く): 361595780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 31, 35, 50, 58, 62, 70, 100, 116, 124, 140, 145, 155, 175, 203, 217, 290, 310, 347, 350, 406, 434, 580, 620, 694, 700, 725, 775, 812, 868, 899, 1015, 1085, 1388, 1450, 1550, 1735, 1798, 2030, 2170, 2429, 2900, 3100, 3470, 3596, 4060, 4340, 4495, 4858, 5075, 5425, 6293, 6940, 8675, 8990, 9716, 10063, 10150, 10757, 10850, 12145, 12586, 17350, 17980, 20126, 20300, 21514, 21700, 22475, 24290, 25172, 31465, 34700, 40252, 43028, 44950, 48580, 50315, 53785, 60725, 62930, 70441, 75299, 89900, 100630, 107570, 121450, 125860, 140882, 150598, 157325, 201260, 215140, 242900, 251575, 268925, 281764, 301196, 311953, 314650, 352205, 376495, 503150, 537850, 623906, 629300, 704410, 752990, 1006300, 1075700, 1247812, 1408820, 1505980, 1559765, 1761025, 1882475, 2183671, 3119530, 3522050, 3764950, 4367342, 6239060, 7044100, 7529900, 7798825, 8734684, 10918355, 15597650, 21836710, 31195300, 43673420, 54591775, 109183550, 218367100]

約数ペア:

[(1, 218367100), (2, 109183550), (4, 54591775), (5, 43673420), (7, 31195300), (10, 21836710), (14, 15597650), (20, 10918355), (25, 8734684), (28, 7798825), (29, 7529900), (31, 7044100), (35, 6239060), (50, 4367342), (58, 3764950), (62, 3522050), (70, 3119530), (100, 2183671), (116, 1882475), (124, 1761025), (140, 1559765), (145, 1505980), (155, 1408820), (175, 1247812), (203, 1075700), (217, 1006300), (290, 752990), (310, 704410), (347, 629300), (350, 623906), (406, 537850), (434, 503150), (580, 376495), (620, 352205), (694, 314650), (700, 311953), (725, 301196), (775, 281764), (812, 268925), (868, 251575), (899, 242900), (1015, 215140), (1085, 201260), (1388, 157325), (1450, 150598), (1550, 140882), (1735, 125860), (1798, 121450), (2030, 107570), (2170, 100630), (2429, 89900), (2900, 75299), (3100, 70441), (3470, 62930), (3596, 60725), (4060, 53785), (4340, 50315), (4495, 48580), (4858, 44950), (5075, 43028), (5425, 40252), (6293, 34700), (6940, 31465), (8675, 25172), (8990, 24290), (9716, 22475), (10063, 21700), (10150, 21514), (10757, 20300), (10850, 20126), (12145, 17980), (12586, 17350)]