109348520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 252201600

約数和(自身を除く): 142853080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 139, 142, 277, 278, 284, 355, 554, 556, 568, 695, 710, 1108, 1112, 1385, 1390, 1420, 2216, 2770, 2780, 2840, 5540, 5560, 9869, 11080, 19667, 19738, 38503, 39334, 39476, 49345, 77006, 78668, 78952, 98335, 98690, 154012, 157336, 192515, 196670, 197380, 308024, 385030, 393340, 394760, 770060, 786680, 1540120, 2733713, 5467426, 10934852, 13668565, 21869704, 27337130, 54674260, 109348520]

約数ペア:

[(1, 109348520), (2, 54674260), (4, 27337130), (5, 21869704), (8, 13668565), (10, 10934852), (20, 5467426), (40, 2733713), (71, 1540120), (139, 786680), (142, 770060), (277, 394760), (278, 393340), (284, 385030), (355, 308024), (554, 197380), (556, 196670), (568, 192515), (695, 157336), (710, 154012), (1108, 98690), (1112, 98335), (1385, 78952), (1390, 78668), (1420, 77006), (2216, 49345), (2770, 39476), (2780, 39334), (2840, 38503), (5540, 19738), (5560, 19667), (9869, 11080)]