199067680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{177739}}^1$

素因数の和:177761

約数の個数: 48

約数和(自身を含む): 537485760

約数和(自身を除く): 338418080

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, 177739, 355478, 710956, 888695, 1244173, 1421912, 1777390, 2488346, 2843824, 3554780, 4976692, 5687648, 6220865, 7109560, 9953384, 12441730, 14219120, 19906768, 24883460, 28438240, 39813536, 49766920, 99533840, 199067680]

約数ペア:

[(1, 199067680), (2, 99533840), (4, 49766920), (5, 39813536), (7, 28438240), (8, 24883460), (10, 19906768), (14, 14219120), (16, 12441730), (20, 9953384), (28, 7109560), (32, 6220865), (35, 5687648), (40, 4976692), (56, 3554780), (70, 2843824), (80, 2488346), (112, 1777390), (140, 1421912), (160, 1244173), (224, 888695), (280, 710956), (560, 355478), (1120, 177739)]