29806100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 69604920

約数和(自身を除く): 39798820

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 197, 340, 356, 394, 425, 445, 788, 850, 890, 985, 1513, 1700, 1780, 1970, 2225, 3026, 3349, 3940, 4450, 4925, 6052, 6698, 7565, 8900, 9850, 13396, 15130, 16745, 17533, 19700, 30260, 33490, 35066, 37825, 66980, 70132, 75650, 83725, 87665, 151300, 167450, 175330, 298061, 334900, 350660, 438325, 596122, 876650, 1192244, 1490305, 1753300, 2980610, 5961220, 7451525, 14903050, 29806100]

約数ペア:

[(1, 29806100), (2, 14903050), (4, 7451525), (5, 5961220), (10, 2980610), (17, 1753300), (20, 1490305), (25, 1192244), (34, 876650), (50, 596122), (68, 438325), (85, 350660), (89, 334900), (100, 298061), (170, 175330), (178, 167450), (197, 151300), (340, 87665), (356, 83725), (394, 75650), (425, 70132), (445, 66980), (788, 37825), (850, 35066), (890, 33490), (985, 30260), (1513, 19700), (1700, 17533), (1780, 16745), (1970, 15130), (2225, 13396), (3026, 9850), (3349, 8900), (3940, 7565), (4450, 6698), (4925, 6052)]