211204240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6551}}^1$

素因数の和:6608

約数の個数: 80

約数和(自身を含む): 545965056

約数和(自身を除く): 334760816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 6551, 8060, 13102, 16120, 26204, 32240, 32755, 52408, 65510, 85163, 104816, 131020, 170326, 203081, 262040, 340652, 406162, 425815, 524080, 681304, 812324, 851630, 1015405, 1362608, 1624648, 1703260, 2030810, 2640053, 3249296, 3406520, 4061620, 5280106, 6813040, 8123240, 10560212, 13200265, 16246480, 21120424, 26400530, 42240848, 52801060, 105602120, 211204240]

約数ペア:

[(1, 211204240), (2, 105602120), (4, 52801060), (5, 42240848), (8, 26400530), (10, 21120424), (13, 16246480), (16, 13200265), (20, 10560212), (26, 8123240), (31, 6813040), (40, 5280106), (52, 4061620), (62, 3406520), (65, 3249296), (80, 2640053), (104, 2030810), (124, 1703260), (130, 1624648), (155, 1362608), (208, 1015405), (248, 851630), (260, 812324), (310, 681304), (403, 524080), (496, 425815), (520, 406162), (620, 340652), (806, 262040), (1040, 203081), (1240, 170326), (1612, 131020), (2015, 104816), (2480, 85163), (3224, 65510), (4030, 52408), (6448, 32755), (6551, 32240), (8060, 26204), (13102, 16120)]