231879760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:573

約数の個数: 120

約数和(自身を含む): 632939400

約数和(自身を除く): 401059640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 149, 196, 245, 280, 298, 392, 397, 490, 560, 596, 745, 784, 794, 980, 1043, 1192, 1490, 1588, 1960, 1985, 2086, 2384, 2779, 2980, 3176, 3920, 3970, 4172, 5215, 5558, 5960, 6352, 7301, 7940, 8344, 10430, 11116, 11920, 13895, 14602, 15880, 16688, 19453, 20860, 22232, 27790, 29204, 31760, 36505, 38906, 41720, 44464, 55580, 58408, 59153, 73010, 77812, 83440, 97265, 111160, 116816, 118306, 146020, 155624, 194530, 222320, 236612, 292040, 295765, 311248, 389060, 414071, 473224, 584080, 591530, 778120, 828142, 946448, 1183060, 1556240, 1656284, 2070355, 2366120, 2898497, 3312568, 4140710, 4732240, 5796994, 6625136, 8281420, 11593988, 14492485, 16562840, 23187976, 28984970, 33125680, 46375952, 57969940, 115939880, 231879760]

約数ペア:

[(1, 231879760), (2, 115939880), (4, 57969940), (5, 46375952), (7, 33125680), (8, 28984970), (10, 23187976), (14, 16562840), (16, 14492485), (20, 11593988), (28, 8281420), (35, 6625136), (40, 5796994), (49, 4732240), (56, 4140710), (70, 3312568), (80, 2898497), (98, 2366120), (112, 2070355), (140, 1656284), (149, 1556240), (196, 1183060), (245, 946448), (280, 828142), (298, 778120), (392, 591530), (397, 584080), (490, 473224), (560, 414071), (596, 389060), (745, 311248), (784, 295765), (794, 292040), (980, 236612), (1043, 222320), (1192, 194530), (1490, 155624), (1588, 146020), (1960, 118306), (1985, 116816), (2086, 111160), (2384, 97265), (2779, 83440), (2980, 77812), (3176, 73010), (3920, 59153), (3970, 58408), (4172, 55580), (5215, 44464), (5558, 41720), (5960, 38906), (6352, 36505), (7301, 31760), (7940, 29204), (8344, 27790), (10430, 22232), (11116, 20860), (11920, 19453), (13895, 16688), (14602, 15880)]