211317080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13109}}^1$

素因数の和:13164

約数の個数: 64

約数和(自身を含む): 528595200

約数和(自身を除く): 317278120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13109, 16120, 26218, 52436, 65545, 104872, 131090, 170417, 262180, 340834, 406379, 524360, 681668, 812758, 852085, 1363336, 1625516, 1704170, 2031895, 3251032, 3408340, 4063790, 5282927, 6816680, 8127580, 10565854, 16255160, 21131708, 26414635, 42263416, 52829270, 105658540, 211317080]

約数ペア:

[(1, 211317080), (2, 105658540), (4, 52829270), (5, 42263416), (8, 26414635), (10, 21131708), (13, 16255160), (20, 10565854), (26, 8127580), (31, 6816680), (40, 5282927), (52, 4063790), (62, 3408340), (65, 3251032), (104, 2031895), (124, 1704170), (130, 1625516), (155, 1363336), (248, 852085), (260, 812758), (310, 681668), (403, 524360), (520, 406379), (620, 340834), (806, 262180), (1240, 170417), (1612, 131090), (2015, 104872), (3224, 65545), (4030, 52436), (8060, 26218), (13109, 16120)]