388320100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 216

約数和(自身を含む): 1066702560

約数和(自身を除く): 678382460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 43, 49, 50, 70, 76, 86, 95, 97, 98, 100, 133, 140, 172, 175, 190, 194, 196, 215, 245, 266, 301, 350, 380, 388, 430, 475, 485, 490, 532, 602, 665, 679, 700, 817, 860, 931, 950, 970, 980, 1075, 1204, 1225, 1330, 1358, 1505, 1634, 1843, 1862, 1900, 1940, 2107, 2150, 2425, 2450, 2660, 2716, 3010, 3268, 3325, 3395, 3686, 3724, 4085, 4171, 4214, 4300, 4655, 4753, 4850, 4900, 5719, 6020, 6650, 6790, 7372, 7525, 8170, 8342, 8428, 9215, 9310, 9506, 9700, 10535, 11438, 12901, 13300, 13580, 15050, 16340, 16684, 16975, 18430, 18620, 19012, 20425, 20855, 21070, 22876, 23275, 23765, 25802, 28595, 29197, 30100, 33950, 36860, 40033, 40850, 41710, 42140, 46075, 46550, 47530, 51604, 52675, 57190, 58394, 64505, 67900, 79249, 80066, 81700, 83420, 90307, 92150, 93100, 95060, 104275, 105350, 114380, 116788, 118825, 129010, 142975, 145985, 158498, 160132, 180614, 184300, 200165, 204379, 208550, 210700, 237650, 258020, 285950, 291970, 316996, 322525, 361228, 396245, 400330, 408758, 417100, 451535, 475300, 554743, 571900, 583940, 645050, 729925, 792490, 800660, 817516, 903070, 1000825, 1021895, 1109486, 1290100, 1459850, 1584980, 1806140, 1981225, 2001650, 2043790, 2218972, 2257675, 2773715, 2919700, 3883201, 3962450, 4003300, 4087580, 4515350, 5109475, 5547430, 7766402, 7924900, 9030700, 10218950, 11094860, 13868575, 15532804, 19416005, 20437900, 27737150, 38832010, 55474300, 77664020, 97080025, 194160050, 388320100]

約数ペア:

[(1, 388320100), (2, 194160050), (4, 97080025), (5, 77664020), (7, 55474300), (10, 38832010), (14, 27737150), (19, 20437900), (20, 19416005), (25, 15532804), (28, 13868575), (35, 11094860), (38, 10218950), (43, 9030700), (49, 7924900), (50, 7766402), (70, 5547430), (76, 5109475), (86, 4515350), (95, 4087580), (97, 4003300), (98, 3962450), (100, 3883201), (133, 2919700), (140, 2773715), (172, 2257675), (175, 2218972), (190, 2043790), (194, 2001650), (196, 1981225), (215, 1806140), (245, 1584980), (266, 1459850), (301, 1290100), (350, 1109486), (380, 1021895), (388, 1000825), (430, 903070), (475, 817516), (485, 800660), (490, 792490), (532, 729925), (602, 645050), (665, 583940), (679, 571900), (700, 554743), (817, 475300), (860, 451535), (931, 417100), (950, 408758), (970, 400330), (980, 396245), (1075, 361228), (1204, 322525), (1225, 316996), (1330, 291970), (1358, 285950), (1505, 258020), (1634, 237650), (1843, 210700), (1862, 208550), (1900, 204379), (1940, 200165), (2107, 184300), (2150, 180614), (2425, 160132), (2450, 158498), (2660, 145985), (2716, 142975), (3010, 129010), (3268, 118825), (3325, 116788), (3395, 114380), (3686, 105350), (3724, 104275), (4085, 95060), (4171, 93100), (4214, 92150), (4300, 90307), (4655, 83420), (4753, 81700), (4850, 80066), (4900, 79249), (5719, 67900), (6020, 64505), (6650, 58394), (6790, 57190), (7372, 52675), (7525, 51604), (8170, 47530), (8342, 46550), (8428, 46075), (9215, 42140), (9310, 41710), (9506, 40850), (9700, 40033), (10535, 36860), (11438, 33950), (12901, 30100), (13300, 29197), (13580, 28595), (15050, 25802), (16340, 23765), (16684, 23275), (16975, 22876), (18430, 21070), (18620, 20855), (19012, 20425)]