189969260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2843}}^1$

素因数の和:3122

約数の個数: 48

約数和(自身を含む): 431446176

約数和(自身を除く): 241476916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 2843, 3341, 5140, 5686, 6682, 11372, 13364, 14215, 16705, 28430, 33410, 36959, 56860, 66820, 73918, 147836, 184795, 369590, 730651, 739180, 1461302, 2922604, 3653255, 7306510, 9498463, 14613020, 18996926, 37993852, 47492315, 94984630, 189969260]

約数ペア:

[(1, 189969260), (2, 94984630), (4, 47492315), (5, 37993852), (10, 18996926), (13, 14613020), (20, 9498463), (26, 7306510), (52, 3653255), (65, 2922604), (130, 1461302), (257, 739180), (260, 730651), (514, 369590), (1028, 184795), (1285, 147836), (2570, 73918), (2843, 66820), (3341, 56860), (5140, 36959), (5686, 33410), (6682, 28430), (11372, 16705), (13364, 14215)]