188839140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64231}}^1$

素因数の和:64257

約数の個数: 72

約数和(自身を含む): 615085632

約数和(自身を除く): 426246492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64231, 128462, 192693, 256924, 321155, 385386, 449617, 642310, 770772, 899234, 963465, 1284620, 1348851, 1798468, 1926930, 2248085, 2697702, 3147319, 3853860, 4496170, 5395404, 6294638, 6744255, 8992340, 9441957, 12589276, 13488510, 15736595, 18883914, 26977020, 31473190, 37767828, 47209785, 62946380, 94419570, 188839140]

約数ペア:

[(1, 188839140), (2, 94419570), (3, 62946380), (4, 47209785), (5, 37767828), (6, 31473190), (7, 26977020), (10, 18883914), (12, 15736595), (14, 13488510), (15, 12589276), (20, 9441957), (21, 8992340), (28, 6744255), (30, 6294638), (35, 5395404), (42, 4496170), (49, 3853860), (60, 3147319), (70, 2697702), (84, 2248085), (98, 1926930), (105, 1798468), (140, 1348851), (147, 1284620), (196, 963465), (210, 899234), (245, 770772), (294, 642310), (420, 449617), (490, 385386), (588, 321155), (735, 256924), (980, 192693), (1470, 128462), (2940, 64231)]