218024960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 88

約数和(自身を含む): 529599840

約数和(自身を除く): 311574880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 439, 485, 512, 640, 776, 878, 970, 1024, 1280, 1552, 1756, 1940, 2195, 2560, 3104, 3512, 3880, 4390, 5120, 6208, 7024, 7760, 8780, 12416, 14048, 15520, 17560, 24832, 28096, 31040, 35120, 42583, 49664, 56192, 62080, 70240, 85166, 99328, 112384, 124160, 140480, 170332, 212915, 224768, 248320, 280960, 340664, 425830, 449536, 496640, 561920, 681328, 851660, 1123840, 1362656, 1703320, 2247680, 2725312, 3406640, 5450624, 6813280, 10901248, 13626560, 21802496, 27253120, 43604992, 54506240, 109012480, 218024960]

約数ペア:

[(1, 218024960), (2, 109012480), (4, 54506240), (5, 43604992), (8, 27253120), (10, 21802496), (16, 13626560), (20, 10901248), (32, 6813280), (40, 5450624), (64, 3406640), (80, 2725312), (97, 2247680), (128, 1703320), (160, 1362656), (194, 1123840), (256, 851660), (320, 681328), (388, 561920), (439, 496640), (485, 449536), (512, 425830), (640, 340664), (776, 280960), (878, 248320), (970, 224768), (1024, 212915), (1280, 170332), (1552, 140480), (1756, 124160), (1940, 112384), (2195, 99328), (2560, 85166), (3104, 70240), (3512, 62080), (3880, 56192), (4390, 49664), (5120, 42583), (6208, 35120), (7024, 31040), (7760, 28096), (8780, 24832), (12416, 17560), (14048, 15520)]