19761700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 51702420

約数和(自身を除く): 31940720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 109, 140, 148, 175, 185, 196, 218, 245, 259, 350, 370, 436, 490, 518, 545, 700, 740, 763, 925, 980, 1036, 1090, 1225, 1295, 1526, 1813, 1850, 2180, 2450, 2590, 2725, 3052, 3626, 3700, 3815, 4033, 4900, 5180, 5341, 5450, 6475, 7252, 7630, 8066, 9065, 10682, 10900, 12950, 15260, 16132, 18130, 19075, 20165, 21364, 25900, 26705, 28231, 36260, 38150, 40330, 45325, 53410, 56462, 76300, 80660, 90650, 100825, 106820, 112924, 133525, 141155, 181300, 197617, 201650, 267050, 282310, 395234, 403300, 534100, 564620, 705775, 790468, 988085, 1411550, 1976170, 2823100, 3952340, 4940425, 9880850, 19761700]

約数ペア:

[(1, 19761700), (2, 9880850), (4, 4940425), (5, 3952340), (7, 2823100), (10, 1976170), (14, 1411550), (20, 988085), (25, 790468), (28, 705775), (35, 564620), (37, 534100), (49, 403300), (50, 395234), (70, 282310), (74, 267050), (98, 201650), (100, 197617), (109, 181300), (140, 141155), (148, 133525), (175, 112924), (185, 106820), (196, 100825), (218, 90650), (245, 80660), (259, 76300), (350, 56462), (370, 53410), (436, 45325), (490, 40330), (518, 38150), (545, 36260), (700, 28231), (740, 26705), (763, 25900), (925, 21364), (980, 20165), (1036, 19075), (1090, 18130), (1225, 16132), (1295, 15260), (1526, 12950), (1813, 10900), (1850, 10682), (2180, 9065), (2450, 8066), (2590, 7630), (2725, 7252), (3052, 6475), (3626, 5450), (3700, 5341), (3815, 5180), (4033, 4900)]