388979400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 192

約数和(自身を含む): 1283400000

約数和(自身を除く): 894420600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 149, 150, 152, 190, 200, 228, 229, 285, 298, 300, 380, 447, 456, 458, 475, 570, 596, 600, 687, 745, 760, 894, 916, 950, 1140, 1145, 1192, 1374, 1425, 1490, 1788, 1832, 1900, 2235, 2280, 2290, 2748, 2831, 2850, 2980, 3435, 3576, 3725, 3800, 4351, 4470, 4580, 5496, 5662, 5700, 5725, 5960, 6870, 7450, 8493, 8702, 8940, 9160, 11175, 11324, 11400, 11450, 13053, 13740, 14155, 14900, 16986, 17175, 17404, 17880, 21755, 22350, 22648, 22900, 26106, 27480, 28310, 29800, 33972, 34121, 34350, 34808, 42465, 43510, 44700, 45800, 52212, 56620, 65265, 67944, 68242, 68700, 70775, 84930, 87020, 89400, 102363, 104424, 108775, 113240, 130530, 136484, 137400, 141550, 169860, 170605, 174040, 204726, 212325, 217550, 261060, 272968, 283100, 326325, 339720, 341210, 409452, 424650, 435100, 511815, 522120, 566200, 648299, 652650, 682420, 818904, 849300, 853025, 870200, 1023630, 1296598, 1305300, 1364840, 1698600, 1706050, 1944897, 2047260, 2559075, 2593196, 2610600, 3241495, 3412100, 3889794, 4094520, 5118150, 5186392, 6482990, 6824200, 7779588, 9724485, 10236300, 12965980, 15559176, 16207475, 19448970, 20472600, 25931960, 32414950, 38897940, 48622425, 64829900, 77795880, 97244850, 129659800, 194489700, 388979400]

約数ペア:

[(1, 388979400), (2, 194489700), (3, 129659800), (4, 97244850), (5, 77795880), (6, 64829900), (8, 48622425), (10, 38897940), (12, 32414950), (15, 25931960), (19, 20472600), (20, 19448970), (24, 16207475), (25, 15559176), (30, 12965980), (38, 10236300), (40, 9724485), (50, 7779588), (57, 6824200), (60, 6482990), (75, 5186392), (76, 5118150), (95, 4094520), (100, 3889794), (114, 3412100), (120, 3241495), (149, 2610600), (150, 2593196), (152, 2559075), (190, 2047260), (200, 1944897), (228, 1706050), (229, 1698600), (285, 1364840), (298, 1305300), (300, 1296598), (380, 1023630), (447, 870200), (456, 853025), (458, 849300), (475, 818904), (570, 682420), (596, 652650), (600, 648299), (687, 566200), (745, 522120), (760, 511815), (894, 435100), (916, 424650), (950, 409452), (1140, 341210), (1145, 339720), (1192, 326325), (1374, 283100), (1425, 272968), (1490, 261060), (1788, 217550), (1832, 212325), (1900, 204726), (2235, 174040), (2280, 170605), (2290, 169860), (2748, 141550), (2831, 137400), (2850, 136484), (2980, 130530), (3435, 113240), (3576, 108775), (3725, 104424), (3800, 102363), (4351, 89400), (4470, 87020), (4580, 84930), (5496, 70775), (5662, 68700), (5700, 68242), (5725, 67944), (5960, 65265), (6870, 56620), (7450, 52212), (8493, 45800), (8702, 44700), (8940, 43510), (9160, 42465), (11175, 34808), (11324, 34350), (11400, 34121), (11450, 33972), (13053, 29800), (13740, 28310), (14155, 27480), (14900, 26106), (16986, 22900), (17175, 22648), (17404, 22350), (17880, 21755)]