129412290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 371884032

約数和(自身を除く): 242471742

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 103, 105, 155, 186, 193, 206, 210, 217, 309, 310, 386, 434, 465, 515, 579, 618, 651, 721, 930, 965, 1030, 1085, 1158, 1302, 1351, 1442, 1545, 1930, 2163, 2170, 2702, 2895, 3090, 3193, 3255, 3605, 4053, 4326, 5790, 5983, 6386, 6510, 6755, 7210, 8106, 9579, 10815, 11966, 13510, 15965, 17949, 19158, 19879, 20265, 21630, 22351, 29915, 31930, 35898, 39758, 40530, 41881, 44702, 47895, 59637, 59830, 67053, 83762, 89745, 95790, 99395, 111755, 119274, 125643, 134106, 139153, 179490, 198790, 209405, 223510, 251286, 278306, 298185, 335265, 417459, 418810, 596370, 616249, 628215, 670530, 695765, 834918, 1232498, 1256430, 1391530, 1848747, 2087295, 3081245, 3697494, 4174590, 4313743, 6162490, 8627486, 9243735, 12941229, 18487470, 21568715, 25882458, 43137430, 64706145, 129412290]

約数ペア:

[(1, 129412290), (2, 64706145), (3, 43137430), (5, 25882458), (6, 21568715), (7, 18487470), (10, 12941229), (14, 9243735), (15, 8627486), (21, 6162490), (30, 4313743), (31, 4174590), (35, 3697494), (42, 3081245), (62, 2087295), (70, 1848747), (93, 1391530), (103, 1256430), (105, 1232498), (155, 834918), (186, 695765), (193, 670530), (206, 628215), (210, 616249), (217, 596370), (309, 418810), (310, 417459), (386, 335265), (434, 298185), (465, 278306), (515, 251286), (579, 223510), (618, 209405), (651, 198790), (721, 179490), (930, 139153), (965, 134106), (1030, 125643), (1085, 119274), (1158, 111755), (1302, 99395), (1351, 95790), (1442, 89745), (1545, 83762), (1930, 67053), (2163, 59830), (2170, 59637), (2702, 47895), (2895, 44702), (3090, 41881), (3193, 40530), (3255, 39758), (3605, 35898), (4053, 31930), (4326, 29915), (5790, 22351), (5983, 21630), (6386, 20265), (6510, 19879), (6755, 19158), (7210, 17949), (8106, 15965), (9579, 13510), (10815, 11966)]