194037220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1307}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 439927488

約数和(自身を除く): 245890268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 571, 1142, 1307, 2284, 2614, 2855, 5228, 5710, 6535, 7423, 11420, 13070, 14846, 16991, 26140, 29692, 33982, 37115, 67964, 74230, 84955, 148460, 169910, 339820, 746297, 1492594, 2985188, 3731485, 7462970, 9701861, 14925940, 19403722, 38807444, 48509305, 97018610, 194037220]

約数ペア:

[(1, 194037220), (2, 97018610), (4, 48509305), (5, 38807444), (10, 19403722), (13, 14925940), (20, 9701861), (26, 7462970), (52, 3731485), (65, 2985188), (130, 1492594), (260, 746297), (571, 339820), (1142, 169910), (1307, 148460), (2284, 84955), (2614, 74230), (2855, 67964), (5228, 37115), (5710, 33982), (6535, 29692), (7423, 26140), (11420, 16991), (13070, 14846)]