201930820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110951}}^1$

素因数の和:110980

約数の個数: 48

約数和(自身を含む): 521918208

約数和(自身を除く): 319987388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 110951, 221902, 443804, 554755, 776657, 1109510, 1442363, 1553314, 2219020, 2884726, 3106628, 3883285, 5769452, 7211815, 7766570, 10096541, 14423630, 15533140, 20193082, 28847260, 40386164, 50482705, 100965410, 201930820]

約数ペア:

[(1, 201930820), (2, 100965410), (4, 50482705), (5, 40386164), (7, 28847260), (10, 20193082), (13, 15533140), (14, 14423630), (20, 10096541), (26, 7766570), (28, 7211815), (35, 5769452), (52, 3883285), (65, 3106628), (70, 2884726), (91, 2219020), (130, 1553314), (140, 1442363), (182, 1109510), (260, 776657), (364, 554755), (455, 443804), (910, 221902), (1820, 110951)]