667653420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{227093}}^1$

素因数の和:227119

約数の個数: 72

約数和(自身を含む): 2174652144

約数和(自身を除く): 1506998724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 227093, 454186, 681279, 908372, 1135465, 1362558, 1589651, 2270930, 2725116, 3179302, 3406395, 4541860, 4768953, 6358604, 6812790, 7948255, 9537906, 11127557, 13625580, 15896510, 19075812, 22255114, 23844765, 31793020, 33382671, 44510228, 47689530, 55637785, 66765342, 95379060, 111275570, 133530684, 166913355, 222551140, 333826710, 667653420]

約数ペア:

[(1, 667653420), (2, 333826710), (3, 222551140), (4, 166913355), (5, 133530684), (6, 111275570), (7, 95379060), (10, 66765342), (12, 55637785), (14, 47689530), (15, 44510228), (20, 33382671), (21, 31793020), (28, 23844765), (30, 22255114), (35, 19075812), (42, 15896510), (49, 13625580), (60, 11127557), (70, 9537906), (84, 7948255), (98, 6812790), (105, 6358604), (140, 4768953), (147, 4541860), (196, 3406395), (210, 3179302), (245, 2725116), (294, 2270930), (420, 1589651), (490, 1362558), (588, 1135465), (735, 908372), (980, 681279), (1470, 454186), (2940, 227093)]