3979968160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{2551}}^1$

素因数の和:2779

約数の個数: 144

約数和(自身を含む): 10997078400

約数和(自身を除く): 7017110240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 199, 224, 245, 280, 392, 398, 490, 560, 784, 796, 980, 995, 1120, 1393, 1568, 1592, 1960, 1990, 2551, 2786, 3184, 3920, 3980, 5102, 5572, 6368, 6965, 7840, 7960, 9751, 10204, 11144, 12755, 13930, 15920, 17857, 19502, 20408, 22288, 25510, 27860, 31840, 35714, 39004, 40816, 44576, 48755, 51020, 55720, 71428, 78008, 81632, 89285, 97510, 102040, 111440, 124999, 142856, 156016, 178570, 195020, 204080, 222880, 249998, 285712, 312032, 357140, 390040, 408160, 499996, 507649, 571424, 624995, 714280, 780080, 999992, 1015298, 1249990, 1428560, 1560160, 1999984, 2030596, 2499980, 2538245, 2857120, 3553543, 3999968, 4061192, 4999960, 5076490, 7107086, 8122384, 9999920, 10152980, 14214172, 16244768, 17767715, 19999840, 20305960, 24874801, 28428344, 35535430, 40611920, 49749602, 56856688, 71070860, 81223840, 99499204, 113713376, 124374005, 142141720, 198998408, 248748010, 284283440, 397996816, 497496020, 568566880, 795993632, 994992040, 1989984080, 3979968160]

約数ペア:

[(1, 3979968160), (2, 1989984080), (4, 994992040), (5, 795993632), (7, 568566880), (8, 497496020), (10, 397996816), (14, 284283440), (16, 248748010), (20, 198998408), (28, 142141720), (32, 124374005), (35, 113713376), (40, 99499204), (49, 81223840), (56, 71070860), (70, 56856688), (80, 49749602), (98, 40611920), (112, 35535430), (140, 28428344), (160, 24874801), (196, 20305960), (199, 19999840), (224, 17767715), (245, 16244768), (280, 14214172), (392, 10152980), (398, 9999920), (490, 8122384), (560, 7107086), (784, 5076490), (796, 4999960), (980, 4061192), (995, 3999968), (1120, 3553543), (1393, 2857120), (1568, 2538245), (1592, 2499980), (1960, 2030596), (1990, 1999984), (2551, 1560160), (2786, 1428560), (3184, 1249990), (3920, 1015298), (3980, 999992), (5102, 780080), (5572, 714280), (6368, 624995), (6965, 571424), (7840, 507649), (7960, 499996), (9751, 408160), (10204, 390040), (11144, 357140), (12755, 312032), (13930, 285712), (15920, 249998), (17857, 222880), (19502, 204080), (20408, 195020), (22288, 178570), (25510, 156016), (27860, 142856), (31840, 124999), (35714, 111440), (39004, 102040), (40816, 97510), (44576, 89285), (48755, 81632), (51020, 78008), (55720, 71428)]