68612740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 170902872

約数和(自身を除く): 102290132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1321, 1484, 1855, 2597, 2642, 3710, 5194, 5284, 6605, 7420, 9247, 10388, 12985, 13210, 18494, 25970, 26420, 36988, 46235, 51940, 64729, 70013, 92470, 129458, 140026, 184940, 258916, 280052, 323645, 350065, 490091, 647290, 700130, 980182, 1294580, 1400260, 1960364, 2450455, 3430637, 4900910, 6861274, 9801820, 13722548, 17153185, 34306370, 68612740]

約数ペア:

[(1, 68612740), (2, 34306370), (4, 17153185), (5, 13722548), (7, 9801820), (10, 6861274), (14, 4900910), (20, 3430637), (28, 2450455), (35, 1960364), (49, 1400260), (53, 1294580), (70, 980182), (98, 700130), (106, 647290), (140, 490091), (196, 350065), (212, 323645), (245, 280052), (265, 258916), (371, 184940), (490, 140026), (530, 129458), (742, 92470), (980, 70013), (1060, 64729), (1321, 51940), (1484, 46235), (1855, 36988), (2597, 26420), (2642, 25970), (3710, 18494), (5194, 13210), (5284, 12985), (6605, 10388), (7420, 9247)]