202168720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 508561200

約数和(自身を除く): 306392480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 349, 520, 557, 698, 1040, 1114, 1396, 1745, 2228, 2785, 2792, 3490, 4456, 4537, 5570, 5584, 6980, 7241, 8912, 9074, 11140, 13960, 14482, 18148, 22280, 22685, 27920, 28964, 36205, 36296, 44560, 45370, 57928, 72410, 72592, 90740, 115856, 144820, 181480, 194393, 289640, 362960, 388786, 579280, 777572, 971965, 1555144, 1943930, 2527109, 3110288, 3887860, 5054218, 7775720, 10108436, 12635545, 15551440, 20216872, 25271090, 40433744, 50542180, 101084360, 202168720]

約数ペア:

[(1, 202168720), (2, 101084360), (4, 50542180), (5, 40433744), (8, 25271090), (10, 20216872), (13, 15551440), (16, 12635545), (20, 10108436), (26, 7775720), (40, 5054218), (52, 3887860), (65, 3110288), (80, 2527109), (104, 1943930), (130, 1555144), (208, 971965), (260, 777572), (349, 579280), (520, 388786), (557, 362960), (698, 289640), (1040, 194393), (1114, 181480), (1396, 144820), (1745, 115856), (2228, 90740), (2785, 72592), (2792, 72410), (3490, 57928), (4456, 45370), (4537, 44560), (5570, 36296), (5584, 36205), (6980, 28964), (7241, 27920), (8912, 22685), (9074, 22280), (11140, 18148), (13960, 14482)]