123304825

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 195416064

約数和(自身を除く): 72111239

約数列:

[1, 5, 7, 17, 25, 31, 35, 49, 85, 119, 155, 175, 191, 217, 245, 425, 527, 595, 775, 833, 955, 1085, 1225, 1337, 1519, 2635, 2975, 3247, 3689, 4165, 4775, 5425, 5921, 6685, 7595, 9359, 13175, 16235, 18445, 20825, 22729, 25823, 29605, 33425, 37975, 41447, 46795, 81175, 92225, 100657, 113645, 129115, 148025, 159103, 207235, 233975, 290129, 503285, 568225, 645575, 704599, 795515, 1036175, 1450645, 2516425, 3522995, 3977575, 4932193, 7253225, 17614975, 24660965, 123304825]

約数ペア:

[(1, 123304825), (5, 24660965), (7, 17614975), (17, 7253225), (25, 4932193), (31, 3977575), (35, 3522995), (49, 2516425), (85, 1450645), (119, 1036175), (155, 795515), (175, 704599), (191, 645575), (217, 568225), (245, 503285), (425, 290129), (527, 233975), (595, 207235), (775, 159103), (833, 148025), (955, 129115), (1085, 113645), (1225, 100657), (1337, 92225), (1519, 81175), (2635, 46795), (2975, 41447), (3247, 37975), (3689, 33425), (4165, 29605), (4775, 25823), (5425, 22729), (5921, 20825), (6685, 18445), (7595, 16235), (9359, 13175)]