142864280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274739}}^1$

素因数の和:274763

約数の個数: 32

約数和(自身を含む): 346172400

約数和(自身を除く): 203308120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 274739, 549478, 1098956, 1373695, 2197912, 2747390, 3571607, 5494780, 7143214, 10989560, 14286428, 17858035, 28572856, 35716070, 71432140, 142864280]

約数ペア:

[(1, 142864280), (2, 71432140), (4, 35716070), (5, 28572856), (8, 17858035), (10, 14286428), (13, 10989560), (20, 7143214), (26, 5494780), (40, 3571607), (52, 2747390), (65, 2197912), (104, 1373695), (130, 1098956), (260, 549478), (520, 274739)]