211904420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16669

約数の個数: 72

約数和(自身を含む): 557505144

約数和(自身を除く): 345600724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 16633, 33266, 66532, 83165, 116431, 166330, 216229, 232862, 332660, 432458, 465724, 582155, 815017, 864916, 1081145, 1164310, 1513603, 1630034, 2162290, 2328620, 3027206, 3260068, 4075085, 4324580, 6054412, 7568015, 8150170, 10595221, 15136030, 16300340, 21190442, 30272060, 42380884, 52976105, 105952210, 211904420]

約数ペア:

[(1, 211904420), (2, 105952210), (4, 52976105), (5, 42380884), (7, 30272060), (10, 21190442), (13, 16300340), (14, 15136030), (20, 10595221), (26, 8150170), (28, 7568015), (35, 6054412), (49, 4324580), (52, 4075085), (65, 3260068), (70, 3027206), (91, 2328620), (98, 2162290), (130, 1630034), (140, 1513603), (182, 1164310), (196, 1081145), (245, 864916), (260, 815017), (364, 582155), (455, 465724), (490, 432458), (637, 332660), (910, 232862), (980, 216229), (1274, 166330), (1820, 116431), (2548, 83165), (3185, 66532), (6370, 33266), (12740, 16633)]