897287920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{590321}}^1$

素因数の和:590353

約数の個数: 40

約数和(自身を含む): 2195997840

約数和(自身を除く): 1298709920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 590321, 1180642, 2361284, 2951605, 4722568, 5903210, 9445136, 11216099, 11806420, 22432198, 23612840, 44864396, 47225680, 56080495, 89728792, 112160990, 179457584, 224321980, 448643960, 897287920]

約数ペア:

[(1, 897287920), (2, 448643960), (4, 224321980), (5, 179457584), (8, 112160990), (10, 89728792), (16, 56080495), (19, 47225680), (20, 44864396), (38, 23612840), (40, 22432198), (76, 11806420), (80, 11216099), (95, 9445136), (152, 5903210), (190, 4722568), (304, 2951605), (380, 2361284), (760, 1180642), (1520, 590321)]