163539980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 363623904

約数和(自身を除く): 200083924

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 71, 82, 106, 142, 164, 205, 212, 265, 284, 355, 410, 530, 710, 820, 1060, 1420, 2173, 2809, 2911, 3763, 4346, 5618, 5822, 7526, 8692, 10865, 11236, 11644, 14045, 14555, 15052, 18815, 21730, 28090, 29110, 37630, 43460, 56180, 58220, 75260, 115169, 154283, 199439, 230338, 308566, 398878, 460676, 575845, 617132, 771415, 797756, 997195, 1151690, 1542830, 1994390, 2303380, 3085660, 3988780, 8176999, 16353998, 32707996, 40884995, 81769990, 163539980]

約数ペア:

[(1, 163539980), (2, 81769990), (4, 40884995), (5, 32707996), (10, 16353998), (20, 8176999), (41, 3988780), (53, 3085660), (71, 2303380), (82, 1994390), (106, 1542830), (142, 1151690), (164, 997195), (205, 797756), (212, 771415), (265, 617132), (284, 575845), (355, 460676), (410, 398878), (530, 308566), (710, 230338), (820, 199439), (1060, 154283), (1420, 115169), (2173, 75260), (2809, 58220), (2911, 56180), (3763, 43460), (4346, 37630), (5618, 29110), (5822, 28090), (7526, 21730), (8692, 18815), (10865, 15052), (11236, 14555), (11644, 14045)]