1998674080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{6449}}^1$

素因数の和:6626

約数の個数: 96

約数和(自身を含む): 5120010000

約数和(自身を除く): 3121335920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 149, 160, 208, 260, 298, 416, 520, 596, 745, 1040, 1192, 1490, 1937, 2080, 2384, 2980, 3874, 4768, 5960, 6449, 7748, 9685, 11920, 12898, 15496, 19370, 23840, 25796, 30992, 32245, 38740, 51592, 61984, 64490, 77480, 83837, 103184, 128980, 154960, 167674, 206368, 257960, 309920, 335348, 419185, 515920, 670696, 838370, 960901, 1031840, 1341392, 1676740, 1921802, 2682784, 3353480, 3843604, 4804505, 6706960, 7687208, 9609010, 12491713, 13413920, 15374416, 19218020, 24983426, 30748832, 38436040, 49966852, 62458565, 76872080, 99933704, 124917130, 153744160, 199867408, 249834260, 399734816, 499668520, 999337040, 1998674080]

約数ペア:

[(1, 1998674080), (2, 999337040), (4, 499668520), (5, 399734816), (8, 249834260), (10, 199867408), (13, 153744160), (16, 124917130), (20, 99933704), (26, 76872080), (32, 62458565), (40, 49966852), (52, 38436040), (65, 30748832), (80, 24983426), (104, 19218020), (130, 15374416), (149, 13413920), (160, 12491713), (208, 9609010), (260, 7687208), (298, 6706960), (416, 4804505), (520, 3843604), (596, 3353480), (745, 2682784), (1040, 1921802), (1192, 1676740), (1490, 1341392), (1937, 1031840), (2080, 960901), (2384, 838370), (2980, 670696), (3874, 515920), (4768, 419185), (5960, 335348), (6449, 309920), (7748, 257960), (9685, 206368), (11920, 167674), (12898, 154960), (15496, 128980), (19370, 103184), (23840, 83837), (25796, 77480), (30992, 64490), (32245, 61984), (38740, 51592)]