254653960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 667699200

約数和(自身を除く): 413045240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 83, 88, 95, 110, 152, 166, 190, 209, 220, 332, 367, 380, 415, 418, 440, 664, 734, 760, 830, 836, 913, 1045, 1468, 1577, 1660, 1672, 1826, 1835, 2090, 2936, 3154, 3320, 3652, 3670, 4037, 4180, 4565, 6308, 6973, 7304, 7340, 7885, 8074, 8360, 9130, 12616, 13946, 14680, 15770, 16148, 17347, 18260, 20185, 27892, 30461, 31540, 32296, 34694, 34865, 36520, 40370, 55784, 60922, 63080, 69388, 69730, 76703, 80740, 86735, 121844, 138776, 139460, 152305, 153406, 161480, 173470, 243688, 278920, 304610, 306812, 335071, 346940, 383515, 578759, 609220, 613624, 670142, 693880, 767030, 1157518, 1218440, 1340284, 1534060, 1675355, 2315036, 2680568, 2893795, 3068120, 3350710, 4630072, 5787590, 6366349, 6701420, 11575180, 12732698, 13402840, 23150360, 25465396, 31831745, 50930792, 63663490, 127326980, 254653960]

約数ペア:

[(1, 254653960), (2, 127326980), (4, 63663490), (5, 50930792), (8, 31831745), (10, 25465396), (11, 23150360), (19, 13402840), (20, 12732698), (22, 11575180), (38, 6701420), (40, 6366349), (44, 5787590), (55, 4630072), (76, 3350710), (83, 3068120), (88, 2893795), (95, 2680568), (110, 2315036), (152, 1675355), (166, 1534060), (190, 1340284), (209, 1218440), (220, 1157518), (332, 767030), (367, 693880), (380, 670142), (415, 613624), (418, 609220), (440, 578759), (664, 383515), (734, 346940), (760, 335071), (830, 306812), (836, 304610), (913, 278920), (1045, 243688), (1468, 173470), (1577, 161480), (1660, 153406), (1672, 152305), (1826, 139460), (1835, 138776), (2090, 121844), (2936, 86735), (3154, 80740), (3320, 76703), (3652, 69730), (3670, 69388), (4037, 63080), (4180, 60922), (4565, 55784), (6308, 40370), (6973, 36520), (7304, 34865), (7340, 34694), (7885, 32296), (8074, 31540), (8360, 30461), (9130, 27892), (12616, 20185), (13946, 18260), (14680, 17347), (15770, 16148)]