284154920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 756000000

約数和(自身を除く): 471845080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 149, 196, 245, 278, 280, 298, 343, 392, 490, 556, 596, 686, 695, 745, 973, 980, 1043, 1112, 1192, 1372, 1390, 1490, 1715, 1946, 1960, 2086, 2744, 2780, 2980, 3430, 3892, 4172, 4865, 5215, 5560, 5960, 6811, 6860, 7301, 7784, 8344, 9730, 10430, 13622, 13720, 14602, 19460, 20711, 20860, 27244, 29204, 34055, 36505, 38920, 41422, 41720, 47677, 51107, 54488, 58408, 68110, 73010, 82844, 95354, 102214, 103555, 136220, 144977, 146020, 165688, 190708, 204428, 207110, 238385, 255535, 272440, 289954, 292040, 381416, 408856, 414220, 476770, 511070, 579908, 724885, 828440, 953540, 1014839, 1022140, 1159816, 1449770, 1907080, 2029678, 2044280, 2899540, 4059356, 5074195, 5799080, 7103873, 8118712, 10148390, 14207746, 20296780, 28415492, 35519365, 40593560, 56830984, 71038730, 142077460, 284154920]

約数ペア:

[(1, 284154920), (2, 142077460), (4, 71038730), (5, 56830984), (7, 40593560), (8, 35519365), (10, 28415492), (14, 20296780), (20, 14207746), (28, 10148390), (35, 8118712), (40, 7103873), (49, 5799080), (56, 5074195), (70, 4059356), (98, 2899540), (139, 2044280), (140, 2029678), (149, 1907080), (196, 1449770), (245, 1159816), (278, 1022140), (280, 1014839), (298, 953540), (343, 828440), (392, 724885), (490, 579908), (556, 511070), (596, 476770), (686, 414220), (695, 408856), (745, 381416), (973, 292040), (980, 289954), (1043, 272440), (1112, 255535), (1192, 238385), (1372, 207110), (1390, 204428), (1490, 190708), (1715, 165688), (1946, 146020), (1960, 144977), (2086, 136220), (2744, 103555), (2780, 102214), (2980, 95354), (3430, 82844), (3892, 73010), (4172, 68110), (4865, 58408), (5215, 54488), (5560, 51107), (5960, 47677), (6811, 41720), (6860, 41422), (7301, 38920), (7784, 36505), (8344, 34055), (9730, 29204), (10430, 27244), (13622, 20860), (13720, 20711), (14602, 19460)]