65172940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 161566272

約数和(自身を除く): 96393332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 911, 980, 1022, 1460, 1822, 2044, 2555, 3577, 3644, 4555, 5110, 6377, 7154, 9110, 10220, 12754, 14308, 17885, 18220, 25508, 31885, 35770, 44639, 63770, 66503, 71540, 89278, 127540, 133006, 178556, 223195, 266012, 332515, 446390, 465521, 665030, 892780, 931042, 1330060, 1862084, 2327605, 3258647, 4655210, 6517294, 9310420, 13034588, 16293235, 32586470, 65172940]

約数ペア:

[(1, 65172940), (2, 32586470), (4, 16293235), (5, 13034588), (7, 9310420), (10, 6517294), (14, 4655210), (20, 3258647), (28, 2327605), (35, 1862084), (49, 1330060), (70, 931042), (73, 892780), (98, 665030), (140, 465521), (146, 446390), (196, 332515), (245, 266012), (292, 223195), (365, 178556), (490, 133006), (511, 127540), (730, 89278), (911, 71540), (980, 66503), (1022, 63770), (1460, 44639), (1822, 35770), (2044, 31885), (2555, 25508), (3577, 18220), (3644, 17885), (4555, 14308), (5110, 12754), (6377, 10220), (7154, 9110)]