129675380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 307964160

約数和(自身を除く): 178288780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 37, 38, 46, 74, 76, 92, 95, 115, 148, 185, 190, 230, 370, 380, 401, 437, 460, 703, 740, 802, 851, 874, 1406, 1604, 1702, 1748, 2005, 2185, 2812, 3404, 3515, 4010, 4255, 4370, 7030, 7619, 8020, 8510, 8740, 9223, 14060, 14837, 15238, 16169, 17020, 18446, 29674, 30476, 32338, 36892, 38095, 46115, 59348, 64676, 74185, 76190, 80845, 92230, 148370, 152380, 161690, 175237, 184460, 281903, 296740, 323380, 341251, 350474, 563806, 682502, 700948, 876185, 1127612, 1365004, 1409515, 1706255, 1752370, 2819030, 3412510, 3504740, 5638060, 6483769, 6825020, 12967538, 25935076, 32418845, 64837690, 129675380]

約数ペア:

[(1, 129675380), (2, 64837690), (4, 32418845), (5, 25935076), (10, 12967538), (19, 6825020), (20, 6483769), (23, 5638060), (37, 3504740), (38, 3412510), (46, 2819030), (74, 1752370), (76, 1706255), (92, 1409515), (95, 1365004), (115, 1127612), (148, 876185), (185, 700948), (190, 682502), (230, 563806), (370, 350474), (380, 341251), (401, 323380), (437, 296740), (460, 281903), (703, 184460), (740, 175237), (802, 161690), (851, 152380), (874, 148370), (1406, 92230), (1604, 80845), (1702, 76190), (1748, 74185), (2005, 64676), (2185, 59348), (2812, 46115), (3404, 38095), (3515, 36892), (4010, 32338), (4255, 30476), (4370, 29674), (7030, 18446), (7619, 17020), (8020, 16169), (8510, 15238), (8740, 14837), (9223, 14060)]