198157840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{130367}}^1$

素因数の和:130399

約数の個数: 40

約数和(自身を含む): 484968960

約数和(自身を除く): 286811120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 130367, 260734, 521468, 651835, 1042936, 1303670, 2085872, 2476973, 2607340, 4953946, 5214680, 9907892, 10429360, 12384865, 19815784, 24769730, 39631568, 49539460, 99078920, 198157840]

約数ペア:

[(1, 198157840), (2, 99078920), (4, 49539460), (5, 39631568), (8, 24769730), (10, 19815784), (16, 12384865), (19, 10429360), (20, 9907892), (38, 5214680), (40, 4953946), (76, 2607340), (80, 2476973), (95, 2085872), (152, 1303670), (190, 1042936), (304, 651835), (380, 521468), (760, 260734), (1520, 130367)]