311978240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{34819}}^1$

素因数の和:34847

約数の個数: 72

約数和(自身を含む): 854064960

約数和(自身を除く): 542086720

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 34819, 69638, 139276, 174095, 243733, 278552, 348190, 487466, 557104, 696380, 974932, 1114208, 1218665, 1392760, 1949864, 2228416, 2437330, 2785520, 3899728, 4456832, 4874660, 5571040, 7799456, 8913664, 9749320, 11142080, 15598912, 19498640, 22284160, 31197824, 38997280, 44568320, 62395648, 77994560, 155989120, 311978240]

約数ペア:

[(1, 311978240), (2, 155989120), (4, 77994560), (5, 62395648), (7, 44568320), (8, 38997280), (10, 31197824), (14, 22284160), (16, 19498640), (20, 15598912), (28, 11142080), (32, 9749320), (35, 8913664), (40, 7799456), (56, 5571040), (64, 4874660), (70, 4456832), (80, 3899728), (112, 2785520), (128, 2437330), (140, 2228416), (160, 1949864), (224, 1392760), (256, 1218665), (280, 1114208), (320, 974932), (448, 696380), (560, 557104), (640, 487466), (896, 348190), (1120, 278552), (1280, 243733), (1792, 174095), (2240, 139276), (4480, 69638), (8960, 34819)]