287556820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 614210688

約数和(自身を除く): 326653868

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 311, 332, 415, 557, 622, 830, 1114, 1244, 1555, 1660, 2228, 2785, 3110, 5570, 6220, 11140, 25813, 46231, 51626, 92462, 103252, 129065, 173227, 184924, 231155, 258130, 346454, 462310, 516260, 692908, 866135, 924620, 1732270, 3464540, 14377841, 28755682, 57511364, 71889205, 143778410, 287556820]

約数ペア:

[(1, 287556820), (2, 143778410), (4, 71889205), (5, 57511364), (10, 28755682), (20, 14377841), (83, 3464540), (166, 1732270), (311, 924620), (332, 866135), (415, 692908), (557, 516260), (622, 462310), (830, 346454), (1114, 258130), (1244, 231155), (1555, 184924), (1660, 173227), (2228, 129065), (2785, 103252), (3110, 92462), (5570, 51626), (6220, 46231), (11140, 25813)]