189911680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{42391}}^1$

素因数の和:42417

約数の個数: 64

約数和(自身を含む): 518878080

約数和(自身を除く): 328966400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 42391, 84782, 169564, 211955, 296737, 339128, 423910, 593474, 678256, 847820, 1186948, 1356512, 1483685, 1695640, 2373896, 2713024, 2967370, 3391280, 4747792, 5426048, 5934740, 6782560, 9495584, 11869480, 13565120, 18991168, 23738960, 27130240, 37982336, 47477920, 94955840, 189911680]

約数ペア:

[(1, 189911680), (2, 94955840), (4, 47477920), (5, 37982336), (7, 27130240), (8, 23738960), (10, 18991168), (14, 13565120), (16, 11869480), (20, 9495584), (28, 6782560), (32, 5934740), (35, 5426048), (40, 4747792), (56, 3391280), (64, 2967370), (70, 2713024), (80, 2373896), (112, 1695640), (128, 1483685), (140, 1356512), (160, 1186948), (224, 847820), (280, 678256), (320, 593474), (448, 423910), (560, 339128), (640, 296737), (896, 211955), (1120, 169564), (2240, 84782), (4480, 42391)]