209254920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10831}}^1$

素因数の和:10875

約数の個数: 128

約数和(自身を含む): 748707840

約数和(自身を除く): 539452920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 10831, 19320, 21662, 32493, 43324, 54155, 64986, 75817, 86648, 108310, 129972, 151634, 162465, 216620, 227451, 249113, 259944, 303268, 324930, 379085, 433240, 454902, 498226, 606536, 649860, 747339, 758170, 909804, 996452, 1137255, 1245565, 1299720, 1494678, 1516340, 1743791, 1819608, 1992904, 2274510, 2491130, 2989356, 3032680, 3487582, 3736695, 4549020, 4982260, 5231373, 5978712, 6975164, 7473390, 8718955, 9098040, 9964520, 10462746, 13950328, 14946780, 17437910, 20925492, 26156865, 29893560, 34875820, 41850984, 52313730, 69751640, 104627460, 209254920]

約数ペア:

[(1, 209254920), (2, 104627460), (3, 69751640), (4, 52313730), (5, 41850984), (6, 34875820), (7, 29893560), (8, 26156865), (10, 20925492), (12, 17437910), (14, 14946780), (15, 13950328), (20, 10462746), (21, 9964520), (23, 9098040), (24, 8718955), (28, 7473390), (30, 6975164), (35, 5978712), (40, 5231373), (42, 4982260), (46, 4549020), (56, 3736695), (60, 3487582), (69, 3032680), (70, 2989356), (84, 2491130), (92, 2274510), (105, 1992904), (115, 1819608), (120, 1743791), (138, 1516340), (140, 1494678), (161, 1299720), (168, 1245565), (184, 1137255), (210, 996452), (230, 909804), (276, 758170), (280, 747339), (322, 649860), (345, 606536), (420, 498226), (460, 454902), (483, 433240), (552, 379085), (644, 324930), (690, 303268), (805, 259944), (840, 249113), (920, 227451), (966, 216620), (1288, 162465), (1380, 151634), (1610, 129972), (1932, 108310), (2415, 86648), (2760, 75817), (3220, 64986), (3864, 54155), (4830, 43324), (6440, 32493), (9660, 21662), (10831, 19320)]