219227680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{195739}}^1$

素因数の和:195761

約数の個数: 48

約数和(自身を含む): 591917760

約数和(自身を除く): 372690080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 195739, 391478, 782956, 978695, 1370173, 1565912, 1957390, 2740346, 3131824, 3914780, 5480692, 6263648, 6850865, 7829560, 10961384, 13701730, 15659120, 21922768, 27403460, 31318240, 43845536, 54806920, 109613840, 219227680]

約数ペア:

[(1, 219227680), (2, 109613840), (4, 54806920), (5, 43845536), (7, 31318240), (8, 27403460), (10, 21922768), (14, 15659120), (16, 13701730), (20, 10961384), (28, 7829560), (32, 6850865), (35, 6263648), (40, 5480692), (56, 3914780), (70, 3131824), (80, 2740346), (112, 1957390), (140, 1565912), (160, 1370173), (224, 978695), (280, 782956), (560, 391478), (1120, 195739)]